Extend ValueStack API, add tests
Another round of improvements to error reporting, among other things fixes #37
Add `run` actions, add more tests, fix bugs
Remove obsolete `Prepender` type class
Add CalculatorSpec
"Please everyone all the time" (idea credits: @propensive)
Split out helper types into .support package
Improve `IgnoreCase` match

Fix typo

Fix "`&` modifier" test
Bring examples to life
Do better `actionType.last` matching
Update developer information
Update macros paradise version