Rakefile in squib-0.4.0 vs Rakefile in squib-0.5.0

@@ -9,9 +9,10 @@
 # Useful for hooking up with SublimeText.
 # e.g. rake sample[basic.rb]
 task :run,[:file] => :install do |t, args|
   args.with_defaults(file: 'basic.rb')
   Dir.chdir('samples') do
+    args[:file]  << ".rb" unless args[:file].end_with? '.rb'
     puts "Running samples/#{args[:file]}"
     load args[:file]
   end
 end