Rakefile in signet-0.7.3 vs Rakefile in signet-0.8.0

@@ -2,9 +2,10 @@
 $:.unshift(lib_dir)
 $:.uniq!
 
 require 'rubygems'
 require 'rake'
+require "bundler/gem_tasks"
 
 require File.join(File.dirname(__FILE__), 'lib/signet', 'version')
 
 PKG_DISPLAY_NAME   = 'Signet'
 PKG_NAME           = PKG_DISPLAY_NAME.downcase