Added a test for initializing files
Fixed memory error in stage
Reading in files and tags at startup
Removed old tagdb_test
Removed file_drawer
Some changes to the README
Fixed a stupid invalid read error.
Adding a fix to lookup based on weird NULL handling in sqlite3_bind
Removed the mandatory ids in front of file names

- made the related tag name restriction less stringent
Removed tagdb_priv
Removed old components

- query result manager
- result fs
- types (rewritten)
Changed handling of duplicate file names in readdir
Made a macro for readdir
Implemented rename-based tag removal