Release v0.7.0

release 0.3.6

release 0.3.5

release 0.3.4

0.3.3 - added highlight switch for psgrep

updated readme with command examples

updated for version 0.3.1 - removed alias look since it correlates wi…

…th linux/unix look command

updated external help

release version 0.2.4

bump version to 0.2.3