== WHAT IS THIS

This is a really small toy lisp interpreter I hacked to be able to run this
snippet: 

  [:deffun, :reverse, [:list], 
    [:if, [:nil?, :list],
      [],
      [:cons, [:reverse, [:tail, :list]], [:head, :list]]]]
  
  [:reverse, [1, 2, 3]]
  
== AUTHOR

Copyright (c) 2009, Kaspar Schiess