From: Scott Worley <sworley@chkno.net>
Date: Thu, 21 Jun 2012 07:45:34 +0000 (-0700)
Subject: Calculate visit costs
X-Git-Url: http://git.scottworley.com/planeteer/commitdiff_plain/b7a6e28b4e3619a9b8ff18285bba9876de52549c?hp=b7a6e28b4e3619a9b8ff18285bba9876de52549c

Calculate visit costs

Also, add a test for Commas.  It was fine, but I got confused
after passing it a negative number.
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