Fix bug with gon clear with global variables, bump version

Author: gazay

README.md

@@ -349,13 +349,13 @@ Thats it!
 Puts this line into `Gemfile` then run `$ bundle`:
 
 ``` ruby
-gem 'gon', '3.0.3'
+gem 'gon', '3.0.4'
 ```
 
 Or if you are old-school Rails 2 developer put this into `config/environment.rb` and run `$ rake gems:install`:
 
 ``` ruby
-config.gem 'gon', :version => '3.0.3'
+config.gem 'gon', :version => '3.0.4'
 ```
 
 Or manually install gon gem: `$ gem install gon`

lib/gon/base.rb

@@ -3,10 +3,10 @@ module Base
     class << self
 
       def render_data(options)
+        data = Gon.all_variables || {}
         if Gon.global.all_variables.present?
-          Gon::Request.gon['global'] = Gon.global.all_variables
+          data[:global] = Gon.global.all_variables
         end
-        data = Gon.all_variables
         namespace = options[:namespace] || 'gon'
         need_tag = options[:need_tag].nil? || options[:need_tag]
         start = "#{need_tag ? '<script>' : ''}window.#{namespace} = {};"

lib/gon/request.rb

@@ -24,7 +24,7 @@ def gon
       end
 
       def clear
-        @request_env['gon'] = {}
+        env && (env[:gon] = {})
       end
 
     end

lib/gon/version.rb

@@ -1,3 +1,3 @@
 module Gon
-  VERSION = '3.0.3'
+  VERSION = '3.0.4'
 end

spec/gon/global_spec.rb

@@ -4,6 +4,7 @@
 
   before(:each) do
     Gon::Global.clear
+    Gon::Request.instance_variable_set(:@request_env, nil)
   end
 
   describe '#all_variables' do
@@ -52,6 +53,7 @@
     it 'outputs correct js with an integer and integer in Gon' do
       Gon::Request.
         instance_variable_set(:@request_id, request.object_id)
+      Gon::Request.env = {}
       Gon.int = 1
       Gon.global.int = 1
       @base.include_gon.should == "<script>window.gon = {};" +