Adding format to database schema.
Adding filter option to getBasicTable()
Renaming callback function to be more useful
Adding filter feature for building ListStore from catalog
Adding extra string column for format
Implementing new method for Format types to clean up ugly __ functions
Bug fix
Statusbar now shows the number of releases after filtering.
Improving language.
Replacing code with a loop for better maintainability
Adding format column to GUI
Minor change: statusbar should always be packed to the end.
Adding Release menu with Add and Delete. Adding dialog code, some not used.
Didn't need this code
Correcting width of text entry