Tagged release v3.3.4

7a0b71a Refactor structure and imports
7be24f0 Add 3 base states
c4c3bd8 Make same structure for all procedures
f5bf797 State machine restructure
ab61a0a Refactor swagger generator
fc63662 Update tests and fixtures according to changes
f5e4f92 Change timber classification enum choices names
2e8e68e Add test for update bid endpoint
ebf35c2 Cast value from request to Value model instance
4b59691 Add terminationReason to base.Award. Fixes #348