+ db_stats()
+ added call of db_stats in '-Q' option
! directories now MUST NOT contain trailing slashes -- everything is file
= fixes in dirlist
+ improved readablility in db_file_search_path()
* renamed callback function
* use callback instead of list_t in _handle_file_search_tag()
= segfault in db_file_search_tag()
+ added check for d_tags_uniq existence
= temp fix for db_stats()
* refactored db_stats()
- reduced number of #ifdef