diff --git a/s/build b/s/build
index 1d580a349..178fa4f43 100755
--- a/s/build
+++ b/s/build
@@ -42,5 +42,7 @@ fi
 
 echo "build eressea"
 cd $ROOT/$BUILD
+VERSION=$(git describe --match 'v*.*.*' --tags | sed 's/^v//')
+cmake -DERESSEA_VERSION="$VERSION" ..
 make $MAKEOPTS && make test
 cd $OLDPWD
diff --git a/s/release b/s/release
index a5e4acf94..89b2bd9e9 100755
--- a/s/release
+++ b/s/release
@@ -3,19 +3,8 @@
 import os
 import sys
 
-template="""#define VERSION_MAJOR %s
-#define VERSION_MINOR %s
-#define VERSION_BUILD %s
-"""
-
 def new_version(ver):
-    sp = ver.split(".")
-    sp = (sp[0], sp[1], sp[2])
-    file = open("src/buildno.h", "w")
-    file.write(template % sp)
-    file.close()
-    os.system("git add src/buildno.h")
-    os.system("git commit -m 'release version %s'" % ver)
     os.system("git tag -f v%s" % ver)
+    os.system("git push --tags")
 
 new_version(sys.argv[1])
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index a0e1325b9..f1414c851 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -12,6 +12,10 @@ include_directories (${TOLUA_INCLUDE_DIR})
 include_directories (${BSON_INCLUDE_DIR})
 include_directories (${INIPARSER_INCLUDE_DIR})
 
+IF(DEFINED ERESSEA_VERSION)
+    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -DERESSEA_VERSION=\\\"${ERESSEA_VERSION}\\\"")
+ENDIF()
+
 IF(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_CLANG)
 #    SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wconversion -Wno-sign-conversion")
     SET(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -pedantic -Wsign-compare -Wall -Werror -Wno-unknown-pragmas -Wstrict-prototypes -Wpointer-arith -Wno-char-subscripts -Wno-long-long")
@@ -194,6 +198,7 @@ set(TESTS_SRC
   volcano.test.c
   reports.test.c
   seen.test.c
+  summary.test.c
   travelthru.test.c
   callback.test.c
   direction.test.c
diff --git a/src/attributes/dict.c b/src/attributes/dict.c
index fa65d1f3d..cb24b148b 100644
--- a/src/attributes/dict.c
+++ b/src/attributes/dict.c
@@ -27,7 +27,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include <kernel/save.h>
 #include <kernel/ship.h>
 #include <kernel/unit.h>
-#include <kernel/version.h>
 
 /* util includes */
 #include <util/attrib.h>
diff --git a/src/attributes/hate.c b/src/attributes/hate.c
index 3d9a2fb0a..98a36a029 100644
--- a/src/attributes/hate.c
+++ b/src/attributes/hate.c
@@ -21,7 +21,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "hate.h"
 
 #include <kernel/unit.h>
-#include <kernel/version.h>
 
 #include <util/attrib.h>
 #include <util/gamedata.h>
diff --git a/src/attributes/targetregion.c b/src/attributes/targetregion.c
index b293b458c..93ef08d0b 100644
--- a/src/attributes/targetregion.c
+++ b/src/attributes/targetregion.c
@@ -22,7 +22,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include <kernel/config.h>
 #include <kernel/region.h>
 #include <kernel/save.h>
-#include <kernel/version.h>
 
 #include <util/attrib.h>
 #include <util/gamedata.h>
diff --git a/src/bind_storage.c b/src/bind_storage.c
index 5dfca8c89..489255d3f 100644
--- a/src/bind_storage.c
+++ b/src/bind_storage.c
@@ -15,7 +15,6 @@ without prior permission by the authors of Eressea.
 #include "bind_storage.h"
 
 #include <kernel/save.h>
-#include <kernel/version.h>
 
 #include <util/gamedata.h>
 #include <util/log.h>
diff --git a/src/bindings.c b/src/bindings.c
index b95b1f9f0..9d74719f7 100755
--- a/src/bindings.c
+++ b/src/bindings.c
@@ -566,6 +566,9 @@ static int tolua_write_summary(lua_State * L)
         struct summary *sum_end = make_summary();
         report_summary(sum_end, sum_begin, false);
         report_summary(sum_end, sum_begin, true);
+        free_summary(sum_end);
+        free_summary(sum_begin);
+        sum_begin = 0;
         return 0;
     }
     return 0;
diff --git a/src/building_action.c b/src/building_action.c
index b6ce0f72c..5c533f4d0 100644
--- a/src/building_action.c
+++ b/src/building_action.c
@@ -13,7 +13,6 @@ without prior permission by the authors of Eressea.
 #include <platform.h>
 #include <kernel/config.h>
 #include <kernel/building.h>
-#include <kernel/version.h>
 #include <util/attrib.h>
 #include <util/gamedata.h>
 #include <util/log.h>
diff --git a/src/buildno.h b/src/buildno.h
deleted file mode 100644
index 72049c497..000000000
--- a/src/buildno.h
+++ /dev/null
@@ -1,3 +0,0 @@
-#define VERSION_MAJOR 3
-#define VERSION_MINOR 10
-#define VERSION_BUILD 0
diff --git a/src/calendar.c b/src/calendar.c
index 0f4617642..7a27328a7 100644
--- a/src/calendar.c
+++ b/src/calendar.c
@@ -38,22 +38,34 @@ void calendar_cleanup(void)
 
     free(agename);
 
-    for (i = 0; i != seasons; ++i) {
-        free(seasonnames[i]);
+    if (seasonnames) {
+        for (i = 0; i != seasons; ++i) {
+            free(seasonnames[i]);
+        }
+        free(seasonnames);
+        seasonnames = 0;
     }
-    free(seasonnames);
 
-    for (i = 0; i != months_per_year; ++i) {
-        free(monthnames[i]);
+    if (monthnames) {
+        for (i = 0; i != months_per_year; ++i) {
+            free(monthnames[i]);
+        }
+        free(storms);
+        storms = 0;
+        free(month_season);
+        month_season = 0;
+        free(monthnames);
+        monthnames = 0;
     }
-    free(storms);
-    free(month_season);
-    free(monthnames);
 
     for (i = 0; i != weeks_per_month; ++i) {
-        free(weeknames[i]);
-        free(weeknames2[i]);
+        if (weeknames)
+            free(weeknames[i]);
+        if (weeknames2)
+            free(weeknames2[i]);
     }
     free(weeknames);
+    weeknames = 0;
     free(weeknames2);
+    weeknames2 = 0;
 }
diff --git a/src/creport.c b/src/creport.c
index 39ecd9c2b..4cf778f23 100644
--- a/src/creport.c
+++ b/src/creport.c
@@ -9,7 +9,7 @@ without prior permission by the authors of Eressea.
 
 #include <platform.h>
 #include <kernel/config.h>
-#include "buildno.h"
+#include <kernel/version.h>
 #include "creport.h"
 #include "seen.h"
 #include "travelthru.h"
@@ -1515,7 +1515,7 @@ report_computer(const char *filename, report_context * ctx, const char *charset)
     fprintf(F, "%d;Basis\n", 36);
     fprintf(F, "%d;Runde\n", turn);
     fprintf(F, "%d;Zeitalter\n", era);
-    fprintf(F, "\"%d.%d.%d\";Build\n", VERSION_MAJOR, VERSION_MINOR, VERSION_BUILD);
+    fprintf(F, "\"%s\";Build\n", ERESSEA_VERSION);
     if (mailto != NULL) {
         fprintf(F, "\"%s\";mailto\n", mailto);
         fprintf(F, "\"%s\";mailcmd\n", LOC(f->locale, "mailcmd"));
diff --git a/src/eressea.c b/src/eressea.c
index c1ae4d73a..1fc69762b 100755
--- a/src/eressea.c
+++ b/src/eressea.c
@@ -26,6 +26,7 @@
 #include <util/message.h>
 #include <races/races.h>
 
+#include "calendar.h"
 #include "chaos.h"
 #include "creport.h"
 #include "items.h"
@@ -50,8 +51,8 @@ void game_done(void)
 #ifdef REPORT_FORMAT_NR
     report_cleanup();
 #endif
-    calendar_cleanup();
 #endif
+    calendar_cleanup();
     free_functions();
     free_config();
     free_locales();
diff --git a/src/gmtool.c b/src/gmtool.c
index 7a87e4ae6..47b7794a2 100644
--- a/src/gmtool.c
+++ b/src/gmtool.c
@@ -44,7 +44,6 @@
 #include <kernel/ship.h>
 #include <kernel/terrain.h>
 #include <kernel/xmlreader.h>
-#include <kernel/version.h>
 
 #include <attributes/attributes.h>
 #include <triggers/triggers.h>
diff --git a/src/helpers.c b/src/helpers.c
index 3d08f1c08..aa9bc12eb 100644
--- a/src/helpers.c
+++ b/src/helpers.c
@@ -31,7 +31,6 @@ without prior permission by the authors of Eressea.
 #include <kernel/building.h>
 #include <kernel/item.h>
 #include <kernel/region.h>
-#include <kernel/version.h>
 
 #include <storage.h>
 
diff --git a/src/kernel/building.c b/src/kernel/building.c
index e4ae8f991..60b588912 100644
--- a/src/kernel/building.c
+++ b/src/kernel/building.c
@@ -30,7 +30,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "skill.h"
 #include "save.h"
 #include "lighthouse.h"
-#include "version.h"
 
 /* util includes */
 #include <util/attrib.h>
diff --git a/src/kernel/connection.c b/src/kernel/connection.c
index ef86f9a3a..9bbff5778 100644
--- a/src/kernel/connection.c
+++ b/src/kernel/connection.c
@@ -24,7 +24,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "save.h"
 #include "terrain.h"
 #include "unit.h"
-#include "version.h"
 
 #include <util/attrib.h>
 #include <util/bsdstring.h>
diff --git a/src/kernel/curse.c b/src/kernel/curse.c
index 612127182..646c99687 100644
--- a/src/kernel/curse.c
+++ b/src/kernel/curse.c
@@ -30,7 +30,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "ship.h"
 #include "skill.h"
 #include "unit.h"
-#include "version.h"
 
 /* util includes */
 #include <util/attrib.h>
diff --git a/src/kernel/curse.test.c b/src/kernel/curse.test.c
index 2be81b19c..6514b2f3e 100644
--- a/src/kernel/curse.test.c
+++ b/src/kernel/curse.test.c
@@ -4,7 +4,6 @@
 #include <kernel/region.h>
 #include <kernel/save.h>
 #include <kernel/unit.h>
-#include <kernel/version.h>
 #include <util/attrib.h>
 #include <util/gamedata.h>
 #include <util/message.h>
diff --git a/src/kernel/faction.c b/src/kernel/faction.c
index c1429f4f3..69231ff43 100755
--- a/src/kernel/faction.c
+++ b/src/kernel/faction.c
@@ -33,7 +33,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "spellbook.h"
 #include "terrain.h"
 #include "unit.h"
-#include "version.h"
 
 /* util includes */
 #include <util/attrib.h>
@@ -336,7 +335,39 @@ void write_faction_reference(const faction * f, struct storage *store)
     WRITE_INT(store, f ? f->no : 0);
 }
 
-static faction *dead_factions;
+#define DMAXHASH 7919
+typedef struct dead {
+    struct dead *nexthash;
+    faction *f;
+    int no;
+} dead;
+
+static dead *deadhash[DMAXHASH];
+
+void dhash(int no, faction * f)
+{
+    dead *hash = (dead *)calloc(1, sizeof(dead));
+    dead *old = deadhash[no % DMAXHASH];
+    hash->no = no;
+    hash->f = f;
+    deadhash[no % DMAXHASH] = hash;
+    hash->nexthash = old;
+}
+
+faction *dfindhash(int no)
+{
+    dead *old;
+
+    if (no < 0)
+        return 0;
+
+    for (old = deadhash[no % DMAXHASH]; old; old = old->nexthash) {
+        if (old->no == no) {
+            return old->f;
+        }
+    }
+    return 0;
+}
 
 void free_flist(faction **fp) {
     faction * flist = *fp;
@@ -349,10 +380,7 @@ void free_flist(faction **fp) {
     *fp = 0;
 }
 
-void free_factions(void) {
-    free_flist(&factions);
-    free_flist(&dead_factions);
-}
+static faction *dead_factions;
 
 void destroyfaction(faction ** fp)
 {
@@ -814,40 +842,6 @@ int max_magicians(const faction * f)
     return m;
 }
 
-#define DMAXHASH 7919
-typedef struct dead {
-    struct dead *nexthash;
-    faction *f;
-    int no;
-} dead;
-
-static dead *deadhash[DMAXHASH];
-
-void dhash(int no, faction * f)
-{
-    dead *hash = (dead *)calloc(1, sizeof(dead));
-    dead *old = deadhash[no % DMAXHASH];
-    hash->no = no;
-    hash->f = f;
-    deadhash[no % DMAXHASH] = hash;
-    hash->nexthash = old;
-}
-
-faction *dfindhash(int no)
-{
-    dead *old;
-
-    if (no < 0)
-        return 0;
-
-    for (old = deadhash[no % DMAXHASH]; old; old = old->nexthash) {
-        if (old->no == no) {
-            return old->f;
-        }
-    }
-    return 0;
-}
-
 int writepasswd(void)
 {
     FILE *F;
@@ -872,3 +866,15 @@ int writepasswd(void)
     return 1;
 }
 
+void free_factions(void) {
+    int i;
+    for (i = 0; i != DMAXHASH; ++i) {
+        while (deadhash[i]) {
+            dead *d = deadhash[i];
+            deadhash[i] = d->nexthash;
+        }
+    }
+    free_flist(&factions);
+    free_flist(&dead_factions);
+}
+
diff --git a/src/kernel/group.c b/src/kernel/group.c
index 19f816b13..054cf44dc 100755
--- a/src/kernel/group.c
+++ b/src/kernel/group.c
@@ -25,7 +25,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "faction.h"
 #include "save.h"
 #include "unit.h"
-#include "version.h"
 
 /* attrib includes */
 #include <attributes/raceprefix.h>
@@ -125,10 +124,14 @@ attrib_type at_group = {        /* attribute for units assigned to a group */
 
 void free_group(group * g)
 {
-    int index = g->gid % GMAXHASH;
-    group **g_ptr = ghash + index;
-    while (*g_ptr && (*g_ptr)->gid != g->gid)
+    int index;
+    group **g_ptr;
+    assert(g);
+    index = g->gid % GMAXHASH;
+    g_ptr = ghash + index;
+    while (*g_ptr && (*g_ptr)->gid != g->gid) {
         g_ptr = &(*g_ptr)->nexthash;
+    }
     assert(*g_ptr == g);
     *g_ptr = g->nexthash;
 
diff --git a/src/kernel/group.test.c b/src/kernel/group.test.c
index 7fa7fa234..22d55e36f 100644
--- a/src/kernel/group.test.c
+++ b/src/kernel/group.test.c
@@ -7,7 +7,6 @@
 #include "unit.h"
 #include "region.h"
 #include "save.h"
-#include "version.h"
 
 #include <util/gamedata.h>
 #include <util/attrib.h>
@@ -91,6 +90,7 @@ static void test_group_readwrite(CuTest * tc)
     write_groups(&store, f);
     WRITE_INT(&store, 47);
 
+    free_group(f->groups);
     free_group(g);
     f->groups = 0;
     data.strm.api->rewind(data.strm.handle);
diff --git a/src/kernel/race.c b/src/kernel/race.c
index b6a80e864..57f443ea5 100644
--- a/src/kernel/race.c
+++ b/src/kernel/race.c
@@ -34,7 +34,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "skill.h"
 #include "terrain.h"
 #include "unit.h"
-#include "version.h"
 
 /* util includes */
 #include <util/attrib.h>
diff --git a/src/kernel/region.c b/src/kernel/region.c
index b04dc6709..d6aa9ef27 100644
--- a/src/kernel/region.c
+++ b/src/kernel/region.c
@@ -37,7 +37,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "terrain.h"
 #include "terrainid.h"
 #include "unit.h"
-#include "version.h"
 
 /* util includes */
 #include <util/attrib.h>
diff --git a/src/kernel/save.c b/src/kernel/save.c
index fccd8468e..ea2208302 100644
--- a/src/kernel/save.c
+++ b/src/kernel/save.c
@@ -18,10 +18,9 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 
 #include <platform.h>
 #include <kernel/config.h>
+#include <kernel/version.h>
 #include "save.h"
 
-#include <buildno.h>
-
 #include "alchemy.h"
 #include "alliance.h"
 #include "ally.h"
@@ -47,7 +46,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "terrainid.h"          /* only for conversion code */
 #include "unit.h"
 #include "lighthouse.h"
-#include "version.h"
 
 /* attributes includes */
 #include <attributes/key.h>
@@ -1860,6 +1858,12 @@ static void clear_npc_orders(faction *f)
     }
 }
 
+int version_no(const char *str) {
+    int maj = 0, min = 0, bld = 0;
+    sscanf(str, "%d.%d.%d", &maj, &min, &bld);
+    return (maj << 16) | (min << 8) | bld;
+}
+
 int writegame(const char *filename)
 {
     int n;
@@ -1890,7 +1894,7 @@ int writegame(const char *filename)
     fstream_init(&strm, F);
     binstore_init(&store, &strm);
 
-    WRITE_INT(&store, VERSION_BUILD);
+    WRITE_INT(&store, version_no(ERESSEA_VERSION));
     n = write_game(&gdata);
     binstore_done(&store);
     fstream_done(&strm);
diff --git a/src/kernel/save.h b/src/kernel/save.h
index 3cd443926..27dd56661 100644
--- a/src/kernel/save.h
+++ b/src/kernel/save.h
@@ -79,6 +79,7 @@ extern "C" {
 
     int write_game(struct gamedata *data);
     int read_game(struct gamedata *data);
+    int version_no(const char *str);
 
     /* test-only functions that give access to internal implementation details (BAD) */
     void _test_write_password(struct gamedata *data, const struct faction *f);
diff --git a/src/kernel/save.test.c b/src/kernel/save.test.c
index 9ab6c4d50..213543b77 100644
--- a/src/kernel/save.test.c
+++ b/src/kernel/save.test.c
@@ -11,7 +11,6 @@
 #include "faction.h"
 #include "plane.h"
 #include "region.h"
-#include "version.h"
 
 #include <triggers/changefaction.h>
 #include <triggers/createunit.h>
@@ -34,7 +33,7 @@ static void test_readwrite_data(CuTest * tc)
 {
     const char *filename = "test.dat";
     char path[MAX_PATH];
-    test_cleanup();
+    test_setup();
     CuAssertIntEquals(tc, 0, writegame(filename));
     CuAssertIntEquals(tc, 0, readgame(filename, false));
     join_path(datapath(), filename, path, sizeof(path));
@@ -51,7 +50,7 @@ static void test_readwrite_unit(CuTest * tc)
     struct faction *f;
     int fno;
 
-    test_cleanup();
+    test_setup();
     r = test_create_region(0, 0, 0);
     f = test_create_faction(0);
     fno = f->no;
@@ -64,15 +63,17 @@ static void test_readwrite_unit(CuTest * tc)
     data.strm.api->rewind(data.strm.handle);
     free_gamedata();
     f = test_create_faction(0);
+    r = test_create_region(0, 0, 0);
     renumber_faction(f, fno);
     gamedata_init(&data, &store, RELEASE_VERSION);
     u = read_unit(&data);
-    mstream_done(&data.strm);
-    gamedata_done(&data);
-
     CuAssertPtrNotNull(tc, u);
     CuAssertPtrEquals(tc, f, u->faction);
     CuAssertPtrEquals(tc, 0, u->region);
+
+    mstream_done(&data.strm);
+    gamedata_done(&data);
+    move_unit(u, r, NULL); // this makes sure that u doesn't leak
     test_cleanup();
 }
 
@@ -81,7 +82,7 @@ static void test_readwrite_attrib(CuTest *tc) {
     storage store;
     attrib *a = NULL;
 
-    test_cleanup();
+    test_setup();
     key_set(&a, 41);
     key_set(&a, 42);
     mstream_init(&data.strm);
@@ -260,6 +261,7 @@ static void test_read_password(CuTest *tc) {
     storage store;
     faction *f;
 
+    test_setup();
     f = test_create_faction(0);
     faction_setpassword(f, password_encode("secret", PASSWORD_DEFAULT));
     mstream_init(&data.strm);
@@ -270,6 +272,7 @@ static void test_read_password(CuTest *tc) {
     mstream_done(&data.strm);
     gamedata_done(&data);
     CuAssertTrue(tc, checkpasswd(f, "secret"));
+    test_cleanup();
 }
 
 static void test_read_password_external(CuTest *tc) {
@@ -279,6 +282,7 @@ static void test_read_password_external(CuTest *tc) {
     faction *f;
     FILE * F;
 
+    test_setup();
     remove(pwfile);
     f = test_create_faction(0);
     faction_setpassword(f, password_encode("secret", PASSWORD_DEFAULT));
@@ -305,6 +309,13 @@ static void test_read_password_external(CuTest *tc) {
     mstream_done(&data.strm);
     gamedata_done(&data);
     CuAssertIntEquals(tc, 0, remove(pwfile));
+    test_cleanup();
+}
+
+static void test_version_no(CuTest *tc) {
+    CuAssertIntEquals(tc, 0, version_no("0.0.0-devel"));
+    CuAssertIntEquals(tc, 0x10000, version_no("1.0.0-test"));
+    CuAssertIntEquals(tc, 0x10203, version_no("1.2.3-what.is.42"));
 }
 
 CuSuite *get_save_suite(void)
@@ -319,5 +330,7 @@ CuSuite *get_save_suite(void)
     SUITE_ADD_TEST(suite, test_readwrite_dead_faction_group);
     SUITE_ADD_TEST(suite, test_read_password);
     SUITE_ADD_TEST(suite, test_read_password_external);
+    SUITE_ADD_TEST(suite, test_version_no);
+
     return suite;
 }
diff --git a/src/kernel/version.h b/src/kernel/version.h
index 4aab16f5f..5b3bf0cf6 100644
--- a/src/kernel/version.h
+++ b/src/kernel/version.h
@@ -8,40 +8,9 @@
 
  This program may not be used, modified or distributed 
  without prior permission by the authors of Eressea.
- 
  */
-#define INTPAK_VERSION 329      /* in binary, ints can get packed. starting with E2/572 */
-#define NOZEROIDS_VERSION 330   /* 2008-05-16 zero is not a valid ID for anything (including factions) */
-#define NOBORDERATTRIBS_VERSION 331     /* 2008-05-17 connection::attribs has been moved to userdata */
-#define UIDHASH_VERSION 332     /* 2008-05-22 borders use the region.uid to store */
-#define REGIONOWNER_VERSION 333 /* 2009-05-14 regions have owners and morale */
-#define ALLIANCELEADER_VERSION 333      /* alliances have a leader */
-#define CURSEFLOAT_VERSION 334  /* all curse-effects are float */
-#define MOURNING_VERSION 335    /* mourning peasants */
-#define FOSS_VERSION 336        /* the open source release */
-#define OWNER_2_VERSION 337     /* region owners contain an alliance */
-#define FIX_WATCHERS_VERSION 338     /* fixed storage of watchers */
-#define UNIQUE_SPELLS_VERSION 339    /* turn 775, spell names are now unique globally, not just per school */
-#define SPELLBOOK_VERSION 340        /* turn 775, full spellbooks are stored for factions */
-#define NOOVERRIDE_VERSION 341        /* turn 775, full spellbooks are stored for factions */
-#define INTFLAGS_VERSION 342   /* turn 876, FFL_NPC is now bit 25, flags is an int */
-#define SAVEGAMEID_VERSION 343 /* instead of XMLNAME, save the game.id parameter from the config */
-#define BUILDNO_VERSION 344 /* storing the build number in the save */
-#define AUTO_RACENAME_VERSION 345 /* NPC units with name==NULL will automatically get their race for a name */
-#define JSON_REPORT_VERSION 346 /* bit 3 in f->options flags the json report */
-#define EXPLICIT_CURSE_ISNEW_VERSION 347 /* CURSE_ISNEW is not reset in read/write, but in age() */
-#define SPELL_LEVEL_VERSION 348 /* f->max_spelllevel gets stored, not calculated */
-#define OWNER_3_VERSION 349 /* regions store last owner, not last alliance */
-#define ATTRIBOWNER_VERSION 351 /* all attrib_type functions know who owns the attribute */
-#define BADCRYPT_VERSION 351 /* passwords are broken, 969.dat only. */
-#define NOCRYPT_VERSION 352 /* passwords are plaintext again */
-#define ATHASH_VERSION 353 /* attribute-type hash, not name */
-#define NOWATCH_VERSION 354 /* plane->watchers is gone */
-/* unfinished: */
-#define CRYPT_VERSION 400 /* passwords are encrypted */
 
-#define RELEASE_VERSION NOWATCH_VERSION /* current datafile */
-#define MIN_VERSION INTPAK_VERSION      /* minimal datafile we support */
-#define MAX_VERSION RELEASE_VERSION /* change this if we can need to read the future datafile, and we can do so */
-
-#define STREAM_VERSION 2 /* internal encoding of binary files */
+#ifndef ERESSEA_VERSION
+// the version number, if it was not passed to make with -D
+#define ERESSEA_VERSION "3.10.0-devel"
+#endif
diff --git a/src/kernel/xmlreader.c b/src/kernel/xmlreader.c
index 19d661cc6..f3f866351 100644
--- a/src/kernel/xmlreader.c
+++ b/src/kernel/xmlreader.c
@@ -471,6 +471,8 @@ static int parse_calendar(xmlDocPtr doc)
             }
             xmlXPathFreeObject(xpathMonths);
             xmlXPathFreeObject(xpathSeasons);
+            xmlFree(newyear);
+            newyear = NULL;
         }
     xmlXPathFreeObject(xpathCalendars);
     xmlXPathFreeContext(xpath);
diff --git a/src/magic.c b/src/magic.c
index 6ff2ac8e5..1c4ca2adb 100644
--- a/src/magic.c
+++ b/src/magic.c
@@ -44,7 +44,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include <kernel/spellbook.h>
 #include <kernel/terrain.h>
 #include <kernel/unit.h>
-#include <kernel/version.h>
 
 #include <triggers/timeout.h>
 #include <triggers/shock.h>
diff --git a/src/main.c b/src/main.c
index d011a473b..3748c2d49 100644
--- a/src/main.c
+++ b/src/main.c
@@ -20,8 +20,8 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include <util/log.h>
 
 #include <kernel/config.h>
-#include <kernel/save.h>
 #include <kernel/version.h>
+#include <kernel/save.h>
 #include <util/filereader.h>
 #include <util/language.h>
 #include "eressea.h"
@@ -29,7 +29,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "gmtool.h"
 #endif
 
-#include "buildno.h"
 #include "bindings.h"
 #include "races/races.h"
 #include "spells.h"
@@ -166,8 +165,8 @@ static int parse_args(int argc, char **argv, int *exitcode)
             if (strcmp(argi + 2, "version") == 0) {
                 printf("\n%s PBEM host\n"
                     "Copyright (C) 1996-2005 C. Schlittchen, K. Zedel, E. Rehling, H. Peters.\n\n"
-                    "Compilation: " __DATE__ " at " __TIME__ "\nVersion: %d.%d.%d\n\n",
-                    game_name(), VERSION_MAJOR, VERSION_MINOR, VERSION_BUILD);
+                    "Compilation: " __DATE__ " at " __TIME__ "\nVersion: %s\n\n",
+                    game_name(), ERESSEA_VERSION);
 #ifdef USE_CURSES          
             }
             else if (strcmp(argi + 2, "color") == 0) {
diff --git a/src/spells.c b/src/spells.c
index e4bccadc8..ab4d6dd6d 100644
--- a/src/spells.c
+++ b/src/spells.c
@@ -53,7 +53,6 @@
 #include <kernel/terrainid.h>
 #include <kernel/unit.h>
 #include <kernel/xmlreader.h>
-#include <kernel/version.h>
 
 #include <races/races.h>
 
diff --git a/src/spells/borders.c b/src/spells/borders.c
index 2c222a9dd..474d37796 100644
--- a/src/spells/borders.c
+++ b/src/spells/borders.c
@@ -11,7 +11,6 @@
 #include <kernel/save.h>
 #include <kernel/terrain.h>
 #include <kernel/unit.h>
-#include <kernel/version.h>
 
 #include <util/attrib.h>
 #include <util/gamedata.h>
diff --git a/src/spells/flyingship.c b/src/spells/flyingship.c
index 1b6b56d26..4a3c62e5e 100644
--- a/src/spells/flyingship.c
+++ b/src/spells/flyingship.c
@@ -1,6 +1,5 @@
 #include <platform.h>
 #include <kernel/config.h>
-#include <kernel/version.h>
 #include "flyingship.h"
 
 #include <kernel/build.h>
diff --git a/src/spells/shipcurse.c b/src/spells/shipcurse.c
index 75e07a4ca..8da3c7c89 100644
--- a/src/spells/shipcurse.c
+++ b/src/spells/shipcurse.c
@@ -13,7 +13,6 @@
 
 #include <platform.h>
 #include <kernel/config.h>
-#include <kernel/version.h>
 #include "shipcurse.h"
 
 /* kernel includes */
diff --git a/src/spells/unitcurse.c b/src/spells/unitcurse.c
index c29935479..944db2032 100644
--- a/src/spells/unitcurse.c
+++ b/src/spells/unitcurse.c
@@ -22,7 +22,6 @@
 #include <kernel/unit.h>
 #include <kernel/faction.h>
 #include <kernel/objtypes.h>
-#include <kernel/version.h>
 
 /* util includes */
 #include <util/gamedata.h>
diff --git a/src/summary.c b/src/summary.c
index 6378f3d7f..cbc998b4a 100644
--- a/src/summary.c
+++ b/src/summary.c
@@ -32,6 +32,7 @@
 #include <util/lists.h>
 #include <util/log.h>
 
+#include <assert.h>
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
@@ -78,28 +79,34 @@ int update_nmrs(void)
     int i, newplayers = 0;
     faction *f;
     int turn = global.data_turn;
+    int timeout = NMRTimeout();
 
-    if (nmrs == NULL)
-        nmrs = malloc(sizeof(int) * (NMRTimeout() + 1));
-    for (i = 0; i <= NMRTimeout(); ++i) {
-        nmrs[i] = 0;
+    if (timeout>0) {
+        if (nmrs == NULL) {
+            nmrs = malloc(sizeof(int) * (timeout + 1));
+        }
+        for (i = 0; i <= timeout; ++i) {
+            nmrs[i] = 0;
+        }
     }
-
+    
     for (f = factions; f; f = f->next) {
         if (fval(f, FFL_ISNEW)) {
             ++newplayers;
         }
         else if (!fval(f, FFL_NOIDLEOUT|FFL_CURSED)) {
             int nmr = turn - f->lastorders + 1;
-            if (nmr < 0 || nmr > NMRTimeout()) {
-                log_error("faction %s has %d NMR", factionid(f), nmr);
-                nmr = _max(0, nmr);
-                nmr = _min(nmr, NMRTimeout());
+            if (timeout>0) {
+                if (nmr < 0 || nmr > timeout) {
+                    log_error("faction %s has %d NMR", factionid(f), nmr);
+                    nmr = _max(0, nmr);
+                    nmr = _min(nmr, timeout);
+                }
+                if (nmr > 0) {
+                    log_debug("faction %s has %d NMR", factionid(f), nmr);
+                }
+                ++nmrs[nmr];
             }
-            if (nmr > 0) {
-                log_debug("faction %s has %d NMR", factionid(f), nmr);
-            }
-            ++nmrs[nmr];
         }
     }
     return newplayers;
@@ -141,11 +148,18 @@ static char *gamedate2(const struct locale *lang)
 {
     static char buf[256];
     gamedate gd;
+    const char *week = "a_week", *month = "a_month";
 
     get_gamedate(turn, &gd);
+    if (weeknames2) {
+        week = weeknames2[gd.week];
+    }
+    if (monthnames) {
+        month = monthnames[gd.month];
+    }
     sprintf(buf, "in %s des Monats %s im Jahre %d %s.",
-        LOC(lang, weeknames2[gd.week]),
-        LOC(lang, monthnames[gd.month]),
+        LOC(lang, week),
+        LOC(lang, month),
         gd.year, agename ? LOC(lang, agename) : "");
     return buf;
 }
@@ -179,6 +193,7 @@ void report_summary(summary * s, summary * o, bool full)
     int i, newplayers = 0;
     faction *f;
     char zText[MAX_PATH];
+    int timeout = NMRTimeout();
 
     if (full) {
         join_path(basepath(), "parteien.full", zText, sizeof(zText));
@@ -295,12 +310,14 @@ void report_summary(summary * s, summary * o, bool full)
 
     newplayers = update_nmrs();
 
-    for (i = 0; i <= NMRTimeout(); ++i) {
-        if (i == NMRTimeout()) {
-            fprintf(F, "+ NMR:\t\t %d\n", nmrs[i]);
-        }
-        else {
-            fprintf(F, "%d NMR:\t\t %d\n", i, nmrs[i]);
+    if (nmrs) {
+        for (i = 0; i <= timeout; ++i) {
+            if (i == timeout) {
+                fprintf(F, "+ NMR:\t\t %d\n", nmrs[i]);
+            }
+            else {
+                fprintf(F, "%d NMR:\t\t %d\n", i, nmrs[i]);
+            }
         }
     }
     if (age) {
@@ -314,18 +331,18 @@ void report_summary(summary * s, summary * o, bool full)
     fprintf(F, "Neue Spieler:\t %d\n", newplayers);
 
     if (full) {
-        if (factions)
+        if (factions) {
             fprintf(F, "\nParteien:\n\n");
-
-        for (f = factions; f; f = f->next) {
-            out_faction(F, f);
+            for (f = factions; f; f = f->next) {
+                out_faction(F, f);
+            }
         }
 
-        if (NMRTimeout() && full) {
+        if (timeout>0 && full) {
             fprintf(F, "\n\nFactions with NMRs:\n");
-            for (i = NMRTimeout(); i > 0; --i) {
+            for (i = timeout; i > 0; --i) {
                 for (f = factions; f; f = f->next) {
-                    if (i == NMRTimeout()) {
+                    if (i == timeout) {
                         if (turn - f->lastorders >= i) {
                             out_faction(F, f);
                         }
@@ -350,6 +367,15 @@ void report_summary(summary * s, summary * o, bool full)
     nmrs = NULL;
 }
 
+void free_summary(summary *sum) {
+    while (sum->languages) {
+        struct language *next = sum->languages->next;
+        free(sum->languages);
+        sum->languages = next;
+    }
+    free(sum);
+}
+
 summary *make_summary(void)
 {
     faction *f;
diff --git a/src/summary.h b/src/summary.h
index aa1491a21..ea8daeee1 100644
--- a/src/summary.h
+++ b/src/summary.h
@@ -19,7 +19,7 @@ extern "C" {
 
     void report_summary(struct summary *n, struct summary *o, bool full);
     struct summary *make_summary(void);
-
+    void free_summary(struct summary *sum);
     int update_nmrs(void);
     extern int* nmrs;
 
diff --git a/src/summary.test.c b/src/summary.test.c
new file mode 100644
index 000000000..33dc874b3
--- /dev/null
+++ b/src/summary.test.c
@@ -0,0 +1,29 @@
+#include <platform.h>
+
+#include "summary.h"
+#include "calendar.h"
+
+#include <CuTest.h>
+#include "tests.h"
+
+#include <stdio.h>
+
+static void test_summary(CuTest * tc)
+{
+    struct summary *sum;
+    test_setup();
+    test_create_faction(0);
+    test_create_faction(0);
+    sum = make_summary();
+    report_summary(sum, sum, true);
+    CuAssertIntEquals(tc, 0, remove("parteien.full"));
+    free_summary(sum);
+    test_cleanup();
+}
+
+CuSuite *get_summary_suite(void)
+{
+    CuSuite *suite = CuSuiteNew();
+    SUITE_ADD_TEST(suite, test_summary);
+    return suite;
+}
diff --git a/src/test_eressea.c b/src/test_eressea.c
index 18eafcf3a..0f6fc3522 100644
--- a/src/test_eressea.c
+++ b/src/test_eressea.c
@@ -112,6 +112,7 @@ int RunAllTests(int argc, char *argv[])
     ADD_SUITE(messages);
     /* gamecode */
     ADD_SUITE(prefix);
+    ADD_SUITE(summary);
     ADD_SUITE(names);
     ADD_SUITE(battle);
     ADD_SUITE(volcano);
diff --git a/src/triggers/createcurse.c b/src/triggers/createcurse.c
index d0d65571b..fe39e8b7f 100644
--- a/src/triggers/createcurse.c
+++ b/src/triggers/createcurse.c
@@ -21,7 +21,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include "createcurse.h"
 
 /* kernel includes */
-#include <kernel/version.h>
 #include <kernel/curse.h>
 #include <kernel/unit.h>
 
diff --git a/src/triggers/createunit.c b/src/triggers/createunit.c
index 6e98901ca..2fec00ade 100644
--- a/src/triggers/createunit.c
+++ b/src/triggers/createunit.c
@@ -25,7 +25,6 @@ OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 #include <kernel/unit.h>
 #include <kernel/race.h>
 #include <kernel/region.h>
-#include <kernel/version.h>
 
 /* util includes */
 #include <util/attrib.h>
diff --git a/src/triggers/gate.c b/src/triggers/gate.c
index 2a9c5693d..acf2bb5d4 100644
--- a/src/triggers/gate.c
+++ b/src/triggers/gate.c
@@ -17,7 +17,6 @@
 #include <kernel/building.h>
 #include <kernel/region.h>
 #include <kernel/unit.h>
-#include <kernel/version.h>
 
 /* util includes */
 #include <util/attrib.h>
diff --git a/src/util/gamedata.h b/src/util/gamedata.h
index e75f7d681..bb1632838 100644
--- a/src/util/gamedata.h
+++ b/src/util/gamedata.h
@@ -5,6 +5,42 @@
 
 #include <stream.h>
 
+#define INTPAK_VERSION 329      /* in binary, ints can get packed. starting with E2/572 */
+#define NOZEROIDS_VERSION 330   /* 2008-05-16 zero is not a valid ID for anything (including factions) */
+#define NOBORDERATTRIBS_VERSION 331     /* 2008-05-17 connection::attribs has been moved to userdata */
+#define UIDHASH_VERSION 332     /* 2008-05-22 borders use the region.uid to store */
+#define REGIONOWNER_VERSION 333 /* 2009-05-14 regions have owners and morale */
+#define ALLIANCELEADER_VERSION 333      /* alliances have a leader */
+#define CURSEFLOAT_VERSION 334  /* all curse-effects are float */
+#define MOURNING_VERSION 335    /* mourning peasants */
+#define FOSS_VERSION 336        /* the open source release */
+#define OWNER_2_VERSION 337     /* region owners contain an alliance */
+#define FIX_WATCHERS_VERSION 338     /* fixed storage of watchers */
+#define UNIQUE_SPELLS_VERSION 339    /* turn 775, spell names are now unique globally, not just per school */
+#define SPELLBOOK_VERSION 340        /* turn 775, full spellbooks are stored for factions */
+#define NOOVERRIDE_VERSION 341        /* turn 775, full spellbooks are stored for factions */
+#define INTFLAGS_VERSION 342   /* turn 876, FFL_NPC is now bit 25, flags is an int */
+#define SAVEGAMEID_VERSION 343 /* instead of XMLNAME, save the game.id parameter from the config */
+#define BUILDNO_VERSION 344 /* storing the build number in the save */
+#define AUTO_RACENAME_VERSION 345 /* NPC units with name==NULL will automatically get their race for a name */
+#define JSON_REPORT_VERSION 346 /* bit 3 in f->options flags the json report */
+#define EXPLICIT_CURSE_ISNEW_VERSION 347 /* CURSE_ISNEW is not reset in read/write, but in age() */
+#define SPELL_LEVEL_VERSION 348 /* f->max_spelllevel gets stored, not calculated */
+#define OWNER_3_VERSION 349 /* regions store last owner, not last alliance */
+#define ATTRIBOWNER_VERSION 351 /* all attrib_type functions know who owns the attribute */
+#define BADCRYPT_VERSION 351 /* passwords are broken, 969.dat only. */
+#define NOCRYPT_VERSION 352 /* passwords are plaintext again */
+#define ATHASH_VERSION 353 /* attribute-type hash, not name */
+#define NOWATCH_VERSION 354 /* plane->watchers is gone */
+/* unfinished: */
+#define CRYPT_VERSION 400 /* passwords are encrypted */
+
+#define RELEASE_VERSION NOWATCH_VERSION /* current datafile */
+#define MIN_VERSION INTPAK_VERSION      /* minimal datafile we support */
+#define MAX_VERSION RELEASE_VERSION /* change this if we can need to read the future datafile, and we can do so */
+
+#define STREAM_VERSION 2 /* internal encoding of binary files */
+
 struct storage;
 
 typedef struct gamedata {
diff --git a/src/vortex.c b/src/vortex.c
index 4b512476b..244c83a29 100644
--- a/src/vortex.c
+++ b/src/vortex.c
@@ -2,7 +2,6 @@
 #include "vortex.h"
 
 #include <kernel/config.h>
-#include <kernel/version.h>
 #include <kernel/region.h>
 
 #include <util/attrib.h>
diff --git a/src/wormhole.c b/src/wormhole.c
index 916c0509d..6a115a9f7 100644
--- a/src/wormhole.c
+++ b/src/wormhole.c
@@ -23,7 +23,6 @@
 #include <kernel/plane.h>
 #include <kernel/region.h>
 #include <kernel/unit.h>
-#include <kernel/version.h>
 
 /* util includes */
 #include <util/attrib.h>
diff --git a/tests/test-turn.lua b/tests/test-turn.lua
index 03178b74d..826ffc00f 100644
--- a/tests/test-turn.lua
+++ b/tests/test-turn.lua
@@ -3,3 +3,4 @@ turn = get_turn()
 eressea.free_game()
 print("trying to read data from " .. turn)
 eressea.read_game(turn .. ".dat")
+eressea.free_game()