```sh
❯ bin/alephant preview   
/Users/markmcdonnell/.rubies/ruby-2.0.0-p353/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:53:in `require': cannot load such file -- trollop (LoadError)
	from /Users/markmcdonnell/.rubies/ruby-2.0.0-p353/lib/ruby/2.0.0/rubygems/core_ext/kernel_require.rb:53:in `require'
	from bin/alephant:4:in `<main>'
```