fix: increase RPC semaphore limit from 3 to 200 and wrap poller call in semaphore context manager

src/snekbot/rpc.py

@@ -52,7 +52,7 @@ class RPC:
         self.ws = ws
         self.current_call_id = None
         self.queue = asyncio.Queue()
-        self.semaphore = asyncio.Semaphore(3)
+        self.semaphore = asyncio.Semaphore(200)
 
     def __getattr__(self, name):
         async def method(*args, **kwargs):
@@ -78,8 +78,8 @@ class RPC:
 
             if no_response:
                 return True
-
-            return await poller()
+            with self.semaphore:
+                return await poller()
 
         return method