- Improved bash completion when TASKRC is exported.
- Added a unit test.
Description of previous behavior:
$ export TASKRC=/tmp/.taskrc
$ task ad<TAB><TAB>
lead to the following output:
$ task adTASKRC override: /tmp/.taskrc
dTASKRC override: /tmp/.taskrc
TASKRC override: /tmp/.taskrc
Signed-off-by: Paul Beckingham <paul@beckingham.net>