Added example response and example use in the readme.

README.md

@@ -1,2 +1,55 @@
-# emtapi
-East Midlands Trains API Interface written in PHP.
+# emtapi-client
+East Midlands Trains API Client written in PHP.
+
+# Composer
+```$xslt
+composer require b3none/emtapi-client
+```
+
+# Example use
+```php
+$emtapi = new \B3none\emtapi\EMTClient();
+$emtapi->getJourneys('Derby', 'Nottingham');
+```
+
+# Example response
+```php
+[
+    'trains' => [
+        0 => [
+            'locationname' => 'Nottingham',
+            'st' => '16:40',
+            'et' => 'On time',
+            'cssclass' => null,
+            'operator' => 'CrossCountry',
+            'trainid' => '+eRxw6w7A8UJsGRGIAT5Ag==',
+            'platform' => '6A',
+            'selecteddets_sta' => '16:34',
+            'selecteddets_location' => 'Derby',
+            'selecteddets_length' => '23 minutes',
+            'selecteddets_prevlength' => '2 hours, 55 minutes',
+            'callingpoints' => [
+                '0' => [
+                    'locationname' => 'Long Eaton',
+                    'st' => '16:34',
+                    'et' => 'On time',
+                    'cssclass' => null
+                ]
+            ],
+            'previouscallingpoints' => [
+                0 => [
+                    'locationname' => 'Cardiff Central',
+                    'st' => '13:45',
+                    'et' => null,
+                    'cssclass' => 'circle-full',
+                    'at' => 'On time'
+                ]
+            ]
+        ]
+    ]
+]
+
+```
+
+# Credits
+* Alex Blackham ([email protected])