Merge pull request #50 from esonderegger/version-bump

update dependencies and bump version number

README.md

@@ -10,12 +10,24 @@ JS library to communicate with Elemental live API.
 The client provides standard methods for resources, so calls will use be
 structured in the format ``<client-instance>.<resource>().<operation>()``.
 
-API operations always return promises that resolve with the response data and
-fail with details about the failure. An example, listing presets:
+First, initialize the client. Optionally, provide any extra headers to add to
+requests. Note, adding a version string is optional but instructs the client
+to use that version in requests to the API.
 
 ```javascript
 const client = new ElementalClient('https://elemental-server.example.com');
+```
 
+or
+
+```javascript
+const client = new ElementalClient('https://elemental-server.example.com', { 'X-API-Key': 'anApiKey' },'v2.15.3.0');
+```
+
+API operations always return promises that resolve with the response data and
+fail with details about the failure. An example, listing presets:
+
+```javascript
 client.presets().list()
   .then((data) => console.log(`Got presets: ${data}`))
   .catch((err) => console.log(`Something went wrong: ${err}`));