Don't show bogus error when converting images
Migrations support
Migrate db from version 0 to version 1

Create version table.
Print call chain on db gc exceptions
Turn awful-picman components into modules
Use make to build modules
Add --init-only command line option
make-db-album sets descr to "" when albums have no descriptions in the db
awful-picman-db: make db-tag-filter accept empty include-tags
awful-picman-db: update-pic-data! only delete old tags and albums when new ones are provided
Add initial test suite