Version 4.1

• Cleaned up duplicate code
• Added event filters: When a thread/group is paused, all events contained in the filter will be buffered. If left nil, all events will be buffered.

Version 4.0

• groups are now wrapped sub-managers
• run 'dead' value replaced with 'onDeath' function
• added several 'onDeath' constructors
• improvements to efficiency

v3.0: Merge Rockspec PR #1 from daelvn/master

Added rockspec