bring support for ruby 1.8

closes #3

.travis.yml

@@ -1,2 +1,7 @@
 language: ruby
-rvm: 1.9.3
+rvm:
+  - 1.8.7
+  - 1.9.3
+matrix:
+  allow_failures:
+    - rvm: 1.8.7

lib/gitlab/objectified_hash.rb

@@ -1,6 +1,8 @@
 module Gitlab
   # Converts hashes to the objects.
   class ObjectifiedHash
+    attr_reader :data
+
     # Creates a new ObjectifiedHash.
     def initialize(hash)
       @data = hash.inject({}) do |data, (key,value)|
@@ -10,6 +12,11 @@ def initialize(hash)
       end
     end
 
+    # Patches Object#id in Ruby 1.8
+    def id
+      self.data['id']
+    end
+
     # Delegate to ObjectifiedHash
     def method_missing(key)
       @data.key?(key.to_s) ? @data[key.to_s] : nil

lib/gitlab/request.rb

@@ -6,7 +6,7 @@ class Request
     include HTTParty
     format  :json
     headers 'Accept' => 'application/json'
-    parser  Proc.new {|body| parse(body)}
+    parser  Proc.new {|body, _| parse(body)}
 
     # Converts the response body to an ObjectifiedHash.
     def self.parse(body)