Fix deprecations

lib/nose/model/fields.rb

@@ -104,8 +104,20 @@ def self.add_field_method(child_class)
         method_name = child_class.name.sub(method_regex, '\1')
         EntityDSL.send :define_method, method_name,
                        (proc do |*args|
-                         send(:instance_variable_get, :@entity).send \
-                           :<<, child_class.new(*args)
+                         entity = send :instance_variable_get, :@entity
+
+                         # XXX This is necessary since passing a hash of
+                         #     keyword arguments as the last argument is
+                         #     now deprecated
+                         if args.last.is_a? Hash
+                           hash_args = args.last
+                           args.pop
+                         else
+                           hash_args = {}
+                         end
+
+                         field = child_class.new(*args, **hash_args)
+                         entity.send :<<, field
                        end)
       end
       private_class_method :add_field_method

spec/model_spec.rb

@@ -144,7 +144,7 @@ module NoSE
         end
 
         HasOne 'foo',    'bars',
-               'Bar'  => 'Foo'
+               {'Bar'  => 'Foo'}
       end
     end
 

spec/support/entities.rb

@@ -25,13 +25,13 @@ module NoSE
         end) * 1000
 
         HasOne 'User',    'Tweets',
-               'Tweet' => 'User'
+               {'Tweet' => 'User'}
 
         HasOne 'Favourite',    'Favourited',
-               'User' =>       'Tweet'
+               {'User' =>       'Tweet'}
 
         HasOne 'Link',    'Tweets',
-               'Tweet' => 'Link'
+               {'Tweet' => 'Link'}
       end
     end
     # rubocop:enable Lint/Void