* [SC] Renamed various modules.
* [DH_AGENT,FIX] Add initialization argument to default_exit/1.
* [DH_BEH,DH_ACT,DH_COM,DH_EVAL,DH_ACT,NEW] New modules for easy import of the various DataHives stategies that are used in agent definitions.
* [DH_CYCLE,FIX] Initial backtrack fact could not be asserted anymore (used by all walk navigation strategies).