fix code examples

Author: TorstenDittmann

docs/examples/functions/create-tag.md

@@ -12,7 +12,7 @@ client
     .setKey('919c2d18fb5d4...a2ae413da83346ad2') // Your secret API key
 ;
 
-let promise = functions.createTag('[FUNCTION_ID]', '[COMMAND]', fs.createReadStream(__dirname + '/file.png')));
+let promise = functions.createTag('[FUNCTION_ID]', '[COMMAND]', fs.createReadStream(__dirname + '/file.png'));
 
 promise.then(function (response) {
     console.log(response);

docs/examples/storage/create-file.md

@@ -12,7 +12,7 @@ client
     .setKey('919c2d18fb5d4...a2ae413da83346ad2') // Your secret API key
 ;
 
-let promise = storage.createFile(fs.createReadStream(__dirname + '/file.png')));
+let promise = storage.createFile(fs.createReadStream(__dirname + '/file.png'));
 
 promise.then(function (response) {
     console.log(response);

lib/client.js

@@ -152,10 +152,10 @@ class Client {
             let response = await axios(options);
             return response.data;
         } catch(error) {
-            if('response' in error) {
+            if('response' in error && error.response !== undefined) {
                 if(error.response && 'data' in error.response) {
                     if (typeof(error.response.data) === 'string') {
-                        throw new AppwriteException(error.response.data, error.response.status, error.response.data);   
+                        throw new AppwriteException(error.response.data, error.response.status, error.response.data);
                     } else {
                         throw new AppwriteException(error.response.data.message, error.response.status, error.response.data);
                     }