~dricottone/my-utils

ref: b701c9dbf213ffad7dad40fe5001180d17c2c5b0 my-utils/core/test d---------
Update usage message
Added to vimsplit test suite
Added to mkbak test suite
rmold update

Added test suite.

Corrected the name that rmold would self-report as.
gitstat update

Helptext update and test suite added.
wttr update

Added test suite.

wttr incorrectly advertised support for -V as the short form of
--version.
vimsplit update

Test suite added.

Error messages were being incorrectly suppressed.
Test updates

Added two minor tests for ctdir

Added test suite for enumerate
Rewrote tests with bats

As evidenced by the 11 prior commits, proper testing has revealed a
large number of gaps and inconsistencies in these scripts. bats is a
very capable replacement for the old test suite.