lib/restful_query/condition.rb in restful_query-0.3.0 vs lib/restful_query/condition.rb in restful_query-0.3.1

@@ -20,10 +20,12 @@
     
     CONVERTABLE_VALUES = {
       ':true'  => true,
       ':false' => false,
       ':nil'   => nil,
-      ':null'  => nil
+      ':null'  => nil,
+      ':blank' => '',
+      ':empty' => ''
     }.freeze
     
     ENGLISH_OPERATOR_MAPPING = {
       'Less than'                => 'lt',
       'Greater than'             => 'gt',
\ No newline at end of file