added heartbeat to from_client_credentials. fixes #184 (#185)

Author: bpafoshizle

twitchio/client.py

@@ -96,6 +96,7 @@ def from_client_credentials(
         client_secret: str,
         *,
         loop: asyncio.AbstractEventLoop = None,
+        heartbeat: Optional[float] = 30.0,
     ) -> "Client":
         """
         creates a client application token from your client credentials.
@@ -124,8 +125,9 @@ def from_client_credentials(
         self = cls.__new__(cls)
         self.loop = loop or asyncio.get_event_loop()
         self._http = TwitchHTTP(self, client_id=client_id, client_secret=client_secret)
+        self._heartbeat = heartbeat
         self._connection = WSConnection(
-            client=self, loop=self.loop, initial_channels=None
+            client=self, loop=self.loop, initial_channels=None, heartbeat=self._heartbeat
         )  # The only reason we're even creating this is to avoid attribute errors
         self._events = {}
         self._waiting = []