Handle CHANNEL_UPDATE for group direct messages.

discord/enums.py

@@ -73,3 +73,13 @@ class DefaultAvatar(Enum):
 
     def __str__(self):
         return self.name
+
+def try_enum(cls, val):
+    """A function that tries to turn the value into enum ``cls``.
+
+    If it fails it returns the value instead.
+    """
+    try:
+        return cls(val)
+    except ValueError:
+        return val