Based on work of
----------------
Miles Egan <miles at caddr.com>


RubyRRDtool authors + contributors
----------------------------------
David Bacher <drbacher at alum.mit.edu>
Mark Probert <probertm at acm.org>  

Eric Lindvall (http://github.com/eric)
Michael Gebetsroither (http://github.com/gebi)
schmurfy (http://github.com/schmurfy/)


Errand is: 
----------
Lindsay Holmwood <lindsay@holmwood.id.au>
