Add support for the new permission serialization scheme.

discord/abc.py

@@ -168,15 +168,15 @@ class _Overwrites:
 
     def __init__(self, **kwargs):
         self.id = kwargs.pop('id')
-        self.allow = kwargs.pop('allow', 0)
-        self.deny = kwargs.pop('deny', 0)
+        self.allow = int(kwargs.pop('allow_new', 0))
+        self.deny = int(kwargs.pop('deny_new', 0))
         self.type = sys.intern(kwargs.pop('type'))
 
     def _asdict(self):
         return {
             'id': self.id,
-            'allow': self.allow,
-            'deny': self.deny,
+            'allow': str(self.allow),
+            'deny': str(self.deny),
             'type': self.type,
         }
 

discord/role.py

@@ -188,7 +188,7 @@ class Role(Hashable):
 
     def _update(self, data):
         self.name = data['name']
-        self._permissions = data.get('permissions', 0)
+        self._permissions = int(data.get('permissions_new', 0))
         self.position = data.get('position', 0)
         self._colour = data.get('color', 0)
         self.hoist = data.get('hoist', False)
@@ -340,7 +340,7 @@ class Role(Hashable):
 
         payload = {
             'name': fields.get('name', self.name),
-            'permissions': fields.get('permissions', self.permissions).value,
+            'permissions': str(fields.get('permissions', self.permissions).value),
             'color': colour.value,
             'hoist': fields.get('hoist', self.hoist),
             'mentionable': fields.get('mentionable', self.mentionable)