rename User module to OAuth to match API methods

lib/instapaper/api.rb

@@ -2,7 +2,7 @@ require 'instapaper/api/account'
 require 'instapaper/api/bookmark'
 require 'instapaper/api/folder'
 require 'instapaper/api/highlight'
-require 'instapaper/api/user'
+require 'instapaper/api/oauth'
 
 module Instapaper
   module API
@@ -10,6 +10,6 @@ module Instapaper
     include Instapaper::API::Bookmark
     include Instapaper::API::Folder
     include Instapaper::API::Highlight
-    include Instapaper::API::User
+    include Instapaper::API::OAuth
   end
 end

lib/instapaper/api/oauth.rb

@@ -1,7 +1,7 @@
 module Instapaper
   module API
-    # Defines methods related to users
-    module User
+    # Defines methods related to OAuth
+    module OAuth
       # Gets an OAuth access token for a user.
       def access_token(username, password)
         response = post('/api/1/oauth/access_token', {x_auth_username: username, x_auth_password: password, x_auth_mode: 'client_auth'}, true)

lib/instapaper/client.rb

@@ -60,8 +60,7 @@ module Instapaper
     attr_accessor :user_agent
     attr_accessor :connection_options
 
-
-    # Creates a new API
+    # Creates a new Instapaper::Client
     def initialize(options = {})
       reset
       options.keys.each do |key|

spec/instapaper/api/oauth_spec.rb

@@ -1,6 +1,6 @@
 require 'spec_helper'
 
-describe Instapaper::Client::User do
+describe Instapaper::Client::OAuth do
   let(:client) { Instapaper::Client.new }
 
   describe '.access_token' do