Fix syntax error
Fix from_hash method for colony_processor
Fix creep disabling logic. Fix restoring creep activeness
Merge pull request #1 from ineverov/fix_disable_logic

Fix disable logic. Change priority method. Fix save/restore logic
Don't reactivate nodes after release
Merge pull request #2 from ineverov/fix_disable_logic

Don't reactivate nodes after release
Raise error if no free connection available
Change exec! to run_once for rake tasks
Rescue NoFreeConnectionError
Add block support to change_status method
Return nil connection if timeout
kill connection if timeout