Migrate code from Mate to this repo
Rewrite it in "wishes" style.
Fix a bug inside `run`.
Fix an expression parsing bug.
Convert many "unit" variables and text to "wish".
Write `addAsync`.
Fix two bugs.
Support semicolon.
Add more tests.
Support colon.
Fix 2 error handling bugs.
Add ".npmignore" file.
Add <, >, <=, >= patterns.
Modify some text.
Improve display.
Update readme.