Added error resolving

lib/Client.js

@@ -545,6 +545,17 @@ var Client = (function () {
 				} else {
 					fstream = file;
 				}
+
+				self.resolveDestination(destination).then(send)["catch"](error);
+
+				function send(destination) {
+					request.post(Endpoints.CHANNELS + "/" + destination + "/messages");
+				}
+
+				function error(err) {
+					callback(err);
+					reject(err);
+				}
 			});
 		}
 	}, {