[db]: Data migration script mostly working except for some apparently minor character conversion issues
[db]: Fixed migration scripts for sqlite; started working on code revamp; now when an app is created messages are properly saved to the DB. Though not updated when changed
[db]: Fixed bugs; updating translate apps seems to be saving correctly.
[db]: Added db_helpers test
[db]: Added some missing calls to db save
[db]: Added test_load_appdata_from_db function and started adding test for it