Unicode WIP:
- removed xmlChar and returned everything to char * again, now that conversion is complete.
- added option to specify orderfile and daatafile encoding in .ini file
currently: implementing reading of latin1 datafiles for backward compatibility
- implemented unicode_utf8_strcasecmp function
- fixed some xml files
- code compiles and runs on the console
TODO:
* switch from xmlChar to char again
* eliminate remaining warnings
* report.[hc] are still disabled
OPTIONAL:
* handle latin1 input?
