Merge pull request Thibauth#15 from drachenminister/patch-1

Enable HTML Message Support

Author: Thibauth

pushover.py

@@ -210,15 +210,15 @@ def send_message(self, message, **kwords):
         """Send a message to the user. It is possible to specify additional
         properties of the message by passing keyword arguments. The list of
         valid keywords is ``title, priority, sound, callback, timestamp, url,
-        url_title, device, retry and expire`` which are described in the
+        url_title, device, retry, expire and html`` which are described in the
         Pushover API documentation. For convenience, you can simply set
         ``timestamp=True`` to set the timestamp to the current timestamp.
 
         This method returns a :class:`MessageRequest` object.
         """
         valid_keywords = ["title", "priority", "sound", "callback",
                           "timestamp", "url", "url_title", "device",
-                          "retry", "expire"]
+                          "retry", "expire", "html"]
 
         payload = {"message": message, "user": self.user_key}
         if self.device: