FIFO queue for colonies
Add mutex for priority cache. Use creep object id as key for hash
Fixes and improvements
Redirect stderr and stdout to file. Don't cd to /
Try default yaml serialization
Revert back to from_hash/to_hash methods
Remove YAML [de]serialization methods
Fix syntax error. Add methods to promote/demote colonies
Replace :: with underscore for log file name. Add stub for add_ants method
Fix restore colonies feature
Fix killing of colony
Add colony type to saved hash
Set class var @@queen during restoring
Synchronize ants calls in colony
Remove some methods to avoid deadlock
Merge pull request #2 from ineverov/colony_queue

Colony queue