Fix #401 Database upgrade failed when starting freeseer

Signed-off-by: Thanh Ha <thanh.ha@alumni.carleton.ca>

Conflicts:
	src/freeseer/__init__.py
	src/freeseer/framework/database.py
Bump versions to 3.0.1

Signed-off-by: Thanh Ha <thanh.ha@alumni.carleton.ca>
Fix #406 Config and DB initialized multiple times when running recordtool

Signed-off-by: Thanh Ha <thanh.ha@alumni.carleton.ca>