[Bugfix] Fix registration

Allow POSTing to the registration endpoint

calsocial/account.py

@@ -46,7 +46,7 @@ class AccountBlueprint(Blueprint, RoutedMixin):
         app.register_blueprint(self, url_prefix=url_prefix)
 
     @staticmethod
-    @RoutedMixin.route('/register')
+    @RoutedMixin.route('/register', methods=['POST', 'GET'])
     def register_account():
         """View for user registration