bin/git-presenter in git_presenter-0.2.1 vs bin/git-presenter in git_presenter-0.2.2

@@ -2,9 +2,11 @@
 
 require "rubygems"
 require "readline"
 require_relative "../lib/git_presenter"
 
+YAML::ENGINE.yamler = 'psych'
+
 if ARGV[0] == "init"
   GitPresenter.initialise_presentation(Dir.pwd)
   puts "Presentation has been initalised"
   puts "run 'git-presenter start' to begin the presentation"
 elsif ARGV[0] == "start"