Pox tests
Add Pox.  Also remove erroneous left() from square
random_location can now be relative
prettier favicon, removed a cruft file
Merge pull request #26 from eah13/pox

Add Pox function and test
random_location now defaults to orgin
pox now passes true to random_location
Merge pull request #27 from gerbal/pox

Random_location with a relative location
Merge pull request #1 from silshack/master

Merging in from silshack