Major rework of shutdown and reconnect logs to avoid zombie tasks and race conditions (Cog-Creators#117)

* Major rework of shutdown and reconnect logs to avoid zombie tasks and race conditions

* depends

* cleanup nodes

* rename vars

* missing callbacks

* add a `wait_until_ready` to `lavalink`

* change order to avoid circular imports

* *sigh*

* uhh

* ensure volume persists on a resume

* formatting

* revert task callbacks

* Apply suggestions from code review

Co-authored-by: jack1142 <6032823+jack1142@users.noreply.github.com>

* Update lavalink/node.py

Co-authored-by: jack1142 <6032823+jack1142@users.noreply.github.com>

Author: Drapersniper

lavalink/node.py

@@ -228,7 +228,7 @@ def _gen_key(self):
             self._resume_key.__repr__()
             return self._resume_key
 
-    async def connect(self, timeout=None, *, shutdown=False):
+    async def connect(self, timeout: float = None, *, shutdown: bool = False):
         """
         Connects to the Lavalink player event websocket.