Added the ability to freeze a stage
Renamed frozen to locked
Fixed merge conflict
Fixed order in migration
Merge pull request #5 from JoePym/feature/adding_the_ability_to_freeze_a_stage

Added the ability to freeze a stage
Added association for locked by
Merge pull request #6 from JoePym/feature/adding_missing_association

Added association for locked by
Added warning parameters
returned rescue
Moved session cleanup to where it will actually be called
Actually removed the bad call
Merge pull request #7 from JoePym/feature/adding_warning_parameter

Feature/adding warning parameter