Rakefile in hamlit-2.1.2 vs Rakefile in hamlit-2.2.0

@@ -1,4 +1,5 @@
+require 'bundler/setup'
 require 'bundler/gem_tasks'
 require 'rake/testtask'
 require 'rake/extensiontask'
 
 Dir['benchmark/*.rake'].each { |b| import(b) }