Merge pull request #602 from lime/records-all

Return a relation instead of a class from Resource.records

Author: lgebhardt

lib/jsonapi/resource.rb

@@ -583,7 +583,7 @@ def find_by_key(key, options = {})
       # Override this method if you want to customize the relation for
       # finder methods (find, find_by_key)
       def records(_options = {})
-        _model_class
+        _model_class.all
       end
 
       def verify_filters(filters, context = nil)