Danil

Hello. The problem located in MongoEngineResource._wrap_polymorphic method. In place, where resource overrides its self._meta.object_class, self._meta.queryset and other "low level" fields. So if I have polymorphic resource, maybe used in several...

``` instance streamString :: Stream String Char where uncons = String.uncons ``` Failed to compile with error "Could not match type CodePoint with type Char" I have to replace that...