Authors:
Justin Ethier <https://github.com/justinethier>
Contributors:
Clint Moore <clint@ivy.io>
Josh Triplett <josh@joshtriplett.org>
Arseniy <https://github.com/Rotsor>
Eli Barzilay <eli@barzilay.org>
Ricardo Lanziano <ricardo.lanziano@gmail.com>
References:
Write Yourself a Scheme in 48 Hours <http://en.wikibooks.org/wiki/Write_Yourself_a_Scheme_in_48_Hours>
R5RS <http://www.schemers.org/Documents/Standards/R5RS/HTML/>
CHICKEN <http://www.call-cc.org/>
Chibi-Scheme <http://code.google.com/p/chibi-scheme/>