fix

Author: streflik

lib/mongoid_filters.rb

@@ -11,7 +11,7 @@ def filter(attrs)
 
         def filter_criteria(filters = nil)
             f = {}
-            if filters
+            if filters.present?
               filters.each_pair do |k,v|
                 match = k.match(/\b(\w*)_(gte|lte|eq)\b/)
                 if match[2] == "eq"