Most relevant commits:
- compiler/parser: fix error message parsing '{% end foo bar %}'
- compiler/parser: improve missing end statement error
- compiler: add the 'raw' statement
- cmd/scriggo,test/compare: support parsing of Go devel versions
- runtime: handle conversions from []T to *[N]T
- compiler/parser: fix panic parsing '{{ }}' in a declaration context
- compiler/parser: improve non-allowed macro declaration error
- compiler/parser: don't parse short show statement with an option
- compiler/checker: don't allow slicing of format types
- compiler/checker: fix impossible type assertion at compile-time
- templates/builtin: add 'Time.IsZero' method
- compiler/checker: fix error 'extra expression in const declaration'
- compiler/checker: fix position of errors in const declaration
- compiler/checker: fix error message on assignment mismatch