Refactored library and radionet class

- Changes in radio.net API (added support for configurable apikey)
- Added better caching
- Added support for browsing additional categories

mopidy_radionet/__init__.py

@@ -5,8 +5,7 @@ import os
 
 from mopidy import config, ext
 
-
-__version__ = '0.2.2'
+__version__ = "0.2.2"
 
 
 logger = logging.getLogger(__name__)
@@ -14,21 +13,23 @@ logger = logging.getLogger(__name__)
 
 class Extension(ext.Extension):
 
-    dist_name = 'Mopidy-RadioNet'
-    ext_name = 'radionet'
+    dist_name = "Mopidy-RadioNet"
+    ext_name = "radionet"
     version = __version__
 
     def get_default_config(self):
-        conf_file = os.path.join(os.path.dirname(__file__), 'ext.conf')
+        conf_file = os.path.join(os.path.dirname(__file__), "ext.conf")
         return config.read(conf_file)
 
     def get_config_schema(self):
         schema = super(Extension, self).get_config_schema()
-        schema['language'] = config.String()
-        schema['min_bitrate'] = config.String()
-        schema['favorite_stations'] = config.List()
+        schema["language"] = config.String()
+        schema["min_bitrate"] = config.String()
+        schema["api_key"] = config.String()
+        schema["favorite_stations"] = config.List()
         return schema
 
     def setup(self, registry):
         from .backend import RadioNetBackend
-        registry.add('backend', RadioNetBackend)
+
+        registry.add("backend", RadioNetBackend)