sendFile with non-image files (fix #172)

lib/Client/Resolver/Resolver.js

@@ -139,8 +139,10 @@ var Resolver = (function () {
 					_superagent2["default"].get(resource).end(function (err, res) {
 						if (err) {
 							reject(err);
-						} else {
+						} else if (res.text === undefined) {
 							resolve(res.body);
+						} else {
+							resolve(new Buffer(res.text));
 						}
 					});
 				});

src/Client/InternalClient.js

@@ -85,7 +85,7 @@ export default class InternalClient {
 					} else {
 						return reject(error);
 					}
-				}else{
+				} else {
 					resolve(data.body);
 				}
 			});

src/Client/Resolver/Resolver.js

@@ -82,8 +82,10 @@ export default class Resolver {
 					request.get(resource).end((err, res) => {
 						if (err) {
 							reject(err);
-						} else {
+						} else if (res.text === undefined) {
 							resolve(res.body);
+						} else {
+							resolve(new Buffer(res.text));
 						}
 					});
 				});