Fix rendering of ActiveRecord::Relation

Now renders as array rather than huge, complex object.
Tested with Rails 3.0.3 - but should be good with any newer version too.
(cherry picked from commit 88d7128f18e478a7c0d6a425ac3032771fd2c4fa)

.gitignore

@@ -20,3 +20,4 @@ pkg
 
 ## PROJECT::SPECIFIC
 .rvmrc
+.idea

lib/awesome_print/ext/active_record.rb

@@ -21,6 +21,8 @@ module AwesomePrint
         cast = :active_record_instance
       elsif object.is_a?(Class) && object.ancestors.include?(::ActiveRecord::Base)
         cast = :active_record_class
+      elsif type == :activerecord_relation
+        cast = :array
       end
       cast
     end