v11.4.0

• add RC_CONDITION_REMEMBER and RC_OPERAND_RECALL`
• add RC_OPERATOR_ADD and RC_OPERATOR_SUB
• add scratch pad memory to PSX memory map
• add Super Game Module memory to Colecovision memory map
• add rapi function fetch_game_titles
• modify progress functions to return RC_NO_GAME_LOADED when "Unknown Game" is loaded
• update subsystem list for arcade hash
• fix exception if server sends null as achievement.author