factor

Author	SHA1	Message	Date
John Benediktsson	233e84bdf4	tools.which: cleanup code a little.	2013-01-11 11:37:59 -08:00
John Benediktsson	00584264d5	tools.which: adding some docs and cleanup.	2013-01-11 10:20:19 -08:00
John Benediktsson	d4f3a0a2cc	tools.which: adding the "which" command.	2012-10-24 19:20:02 -07:00