* Updated gems

* Improved README
* Improved spec_helper
* Improved gemfile
Bumped VERSION to 0.1.5
Updated CHANGELOG

spec/spec_helper.rb

@@ -43,7 +43,7 @@ RSpec.configure do |config|
   config.order = 'random'
 
   config.include Delorean
-  config.include MailerMacros
+
   ActionMailer::Base.perform_deliveries = false
   ActionMailer::Base.raise_delivery_errors = false
   ActionMailer::Base.delivery_method = :test

spec/support/mailer_macros.rb

@@ -7,3 +7,7 @@ module MailerMacros
     ActionMailer::Base.deliveries = []
   end
 end
+
+RSpec.configure do |config|
+  config.include MailerMacros
+end