Rakefile in shelr-0.12.2 vs Rakefile in shelr-0.12.3

@@ -4,6 +4,12 @@
 require 'rspec/core/rake_task'
 
 desc 'Run all specs in spec directory'
 RSpec::Core::RakeTask.new
 
+task :merge do
+  File.open('shelr', 'a+') { |f| f.puts "#/usr/bin/env ruby" }
+  `cat lib/shelr.rb lib/shelr/* bin/shelr | grep -v autoload >> shelr`
+  `chmod +x ./shelr`
+end
+
 task :default => :spec