3.1 - 2022-07-01
- use shellcheck
- add tests using bats
- update zsh parity
- fix wdscheme name completion with spaces
- fix deleted "default.scheme" can cause infinite loop
- fix loop when current scheme disappears
- slot limit is determined in one place
- default scheme name is factored to a var
- remove remaining uses of non-builtin shell commands (except mkdir)
- wdc prints contents of schemefile it just nuked