v.circle diffs

[James Darrell McCauley]

I made a few changes (minimal cleaning) to v.circle and put the
results in moon/grass/incoming/v.circle.diffs (is the author, Bruce
Powell, listening? I have no email address for him)
--Darrell
James Darrell McCauley, PhD        http://soils.ecn.purdue.edu/~mccauley/
Dept of Agricultural Engineering   mccauley at ecn.purdue.edu
Purdue University            new-> tel: 317.494.1198 fax: 317.496.1115