add unmatch

Author: Hellowlol

plexapi/base.py

@@ -493,6 +493,11 @@ def split(self):
         key = '%s/split' % self.key
         return self._server.query(key, method=self._server._session.put)
 
+    def unmatch(self):
+        """Unmatch a media file."""
+        key = '%s/unmatch' % self.key
+        return self._server.query(key, method=self._server._session.put)
+
     def play(self, client):
         """ Start playback on the specified client.