api: implement unitIsPVP
api: implement isResting
api: implement partialPlayTime
api: implement noPlayTime
api: implement IsVoiceChatEnabled
api: implement getVoiceStatus
api: implement unitCanAttack
api: implement unitCanPetBattle
api: implement isRatedMap
api: implement isInActiveWorldPVP
api: implement unitIsUnit
api: fix function params