Travis conf

.gemfiles/Gemfile.rails-3.2.x

+source "https://rubygems.org"
+
+gemspec :path => '..'
+
+gem 'rails', '~> 3.2.0'

.gemfiles/Gemfile.rails-4.1.x

+source "https://rubygems.org"
+
+gemspec :path => '..'
+
+gem 'rails', '~> 4.1.0'

.travis.yml

@@ -8,11 +8,4 @@ rvm:
 
 gemfile:
   - ".gemfiles/Gemfile.rails-3.2.x"
-  - ".gemfiles/Gemfile.rails-4.0.x"
-
-matrix:
-  include:
-    - rvm: "1.8.7"
-      gemfile: ".gemfiles/Gemfile.rails-3.2.x"
-    - rvm: jruby-18mode
-      gemfile: ".gemfiles/Gemfile.rails-3.2.x"
+  - ".gemfiles/Gemfile.rails-4.1.x"

README.md

@@ -23,7 +23,7 @@ This Rails extension takes a first step to solving this problem on the developer
     param! :q,           String, required: true
     param! :categories,  Array
     param! :sort,        String, default: "title"
-    param! :order,       String, in: ["ASC", "DESC"], transform: :upcase, default: "ASC"
+    param! :order,       String, in: %w(asc desc), transform: :downcase, default: "asc"
     param! :price,       String, format: "[<\=>]\s*\$\d+"
 
     {...}