ADD town deprecated property

Author: gdalmau

pyPostcode/__init__.py

@@ -14,6 +14,7 @@
 
 import json
 import logging
+from warnings import warn
 
 
 __version__ = '0.5'
@@ -221,6 +222,12 @@ def postcode(self):
     def city(self):
         return self._data.get('city')
 
+    @property
+    def town(self):
+        warn('Use the attribute "city" instead',
+             DeprecationWarning, stacklevel=2)
+        return self.city
+
     @property
     def municipality(self):
         return self._data.get('municipality')