removed "return User.create(self.client, r.json())" from guilds_members_add due to lack of json response when user already in guild and switched name to mandatory arg in guilds_create

disco/api/client.py

@@ -293,7 +293,7 @@ class APIClient(LoggingClass):
 
     def guilds_create(
             self, 
-            name=None, 
+            name, 
             region=None, 
             icon=None,
             verification_level=None,
@@ -302,7 +302,11 @@ class APIClient(LoggingClass):
             roles=None,
             channels=None):
 
-        r = self.http(Routes.GUILDS_CREATE, json=optional(
+        payload = {
+			'name': name
+        }
+
+        payload.update(optional(
             name=name,
             region=region,
             icon=icon,
@@ -312,6 +316,8 @@ class APIClient(LoggingClass):
             roles=roles,
             channels=channels
         ))
+
+        r = self.http(Routes.GUILDS_CREATE, json=payload)
         return Guild.create(self.client, r.json())
 
     def guilds_channels_list(self, guild):
@@ -404,7 +410,6 @@ class APIClient(LoggingClass):
         ))
 
         r = self.http(Routes.GUILDS_MEMBERS_ADD, dict(guild=guild, member=member), json=payload)
-        return User.create(self.client, r.json())
 
     def guilds_members_kick(self, guild, member, reason=None):
         self.http(Routes.GUILDS_MEMBERS_KICK, dict(guild=guild, member=member), headers=_reason_header(reason))