[BREAKING CHANGES]
- ABI version is now 1 - this will require a from-source rebuild of
all modules using it.
[CHANGES]
- Renamed XPK_STRING to XPK_LITERAL
- Support probe on the four bracketed scope types
- Added _OPT-suffixed versions of the four bracketed scope types
- Added more token types:
- XPK_LEXVAR_MY
- XPK_COMMA
- XPK_PREFIXED_BLOCK
- XPK_SEQUENCE
- XPK_LEXVAR_MY