fix(core/rreload): reload depth first

commands/voice.py

@@ -285,6 +285,6 @@ async def ensure_joined(message):
 
 
 def command_allowed(message):
-    if not message.guild.voice_client:
+    if not message.author.voice or not message.guild.voice_client:
         return False
     return message.author.voice.channel.id == message.guild.voice_client.channel.id

core.py

@@ -124,7 +124,6 @@ async def on_message(message):
 
 def rreload(reloaded_modules, module):
     reloaded_modules.add(module.__name__)
-    importlib.reload(module)
 
     for submodule in filter(
         lambda v: inspect.ismodule(v)