a. config.c - done, needs testing
b. io_stuff.c - done, needs testing
c. strstuff.c - done, needs testing
2. void delete_temporary_tex_files(void) - done
	io_stuff.c line 358+: delete index(/bibtex?) temporaries;
	meta(font/post) has no temps ??
3. int run_xindy(void) - done
	io_stuff.c line 138+: depending on runtex_options.index_type calls xindy or converts .idx first
5. search \jobname.aux for "\citation{" the only sign to know if BibTeX needs to be run - done
1. write void install_tex_package(void) - done
4. check every path if last char is '/' || '\' - done