/Users/cam156/.rbenv/versions/2.0.0-p353/lib/ruby/gems/2.0.0/gems/bundler-1.5.2/lib/bundler/rubygems_integration.rb:240:in `block in replace_gem': spring is not part of the bundle. Add it to Gemfile. (Gem::LoadError)
	from /Users/cam156/.rbenv/versions/2.0.0-p353/bin/spring:22:in `<main>'