Support for multiple threads.
Fixed maxsize semantics and made sure that GrusConnections are only
pushed to stack when they are in use...
For BreakEvent and Exceptions do NOT call killOrStore, since this is
already taken care of in the script.
Added callKillOrStoreMethod which determines based on Exception class
whether kill() or store() should be called for Mappable.
Merge branch 'master' of git@github.com:Dexels/navajo.git