fix some methods not being promisified
fix some methods not being promisified

justsml/bluebird,petkaantonov/bluebird,petkaantonov/bluebird,HBOCodeLabs/bluebird,yonjah/bluebird,BridgeAR/bluebird,HBOCodeLabs/bluebird,justsml/bluebird,yonjah/bluebird,yonjah/bluebird,justsml/bluebird,petkaantonov/bluebird,BridgeAR/bluebird,HBOCodeLabs/bluebird,BridgeAR/bluebird