Added epmem_hash_id and epmem_valid to SymbolImpl.
Finished implementing epmem_temporal_hash.
Fixed some null pointer exceptions, debugger will start now.
Updated unit test.
Added DefaultEpisodicMemoryCommand and implemented a few commands.
Added comments to params enums (taken from Soar manual).
Updated output of epmem/smem command classes.
Commented out unsupported parameters in unit test.
Implemented epmem_get_augs_of_id.
Translated commented symbols to Java.
Added ncbr, nexts, prevs, and cbr to stats.
Implemented epmem_respond_to_cmd.
Implemented epmem_process_buffered_wmes
Commented out call to epmem_process_buffered_wmes (function is not
implemented in smem)
Removed functions to get decider and bottom goal from agent. (Use
private decider object + adaptable instead)
Added calls to epmem_process_buffered_wmes back in.