Add usage, got tests working.
Usage, --help test, which module test for fx
usage, test --help, which module test for odx
usage, test --help, which module for perrno
Dropped perl version of odx, moved python version down into bscr package
usage, more complete testing for xclean
Some new functions added. Need to write tests for this stuff.
Usage, --help test, which module test for mag