Added 60 second delay for pipi loop and fixed an issue when invoking commands...

Added 60 second delay for pipi loop and fixed an issue when invoking commands !warpipi or !zuspät, that resulted in the pipi loop not noticing, when there is no pipi vote.

pipi_cog.py

@@ -22,6 +22,9 @@ class PipiCog:
         self.pipi_votes = {}
 
     async def start_pipimeter_loop(self):
+        # Wait for one minute to avoid this loop and the info loop to post directly after each other
+        await asyncio.sleep(60)
+
         asyncio.create_task(self.pipimeter_loop())
 
     async def notify_pipi(self, ctx, use_timer=True, message=None):
@@ -99,7 +102,7 @@ class PipiCog:
         """ User already went to toilet. """
 
         if ctx.author.name in self.pipi_votes:
-            self.pipi_votes[ctx.author.name] = 0
+            del self.pipi_votes[ctx.author.name]
             await self.notify_pipi(ctx)
 
     @commands.command(name="pause", aliases=["Pause"])