- Perform A-Label roundtrip for lookup functions by default
- Stricter check of input to punycode decoder
- Fix punycode decoding with no ASCII chars but given delimiter
- Fix 'idn2 --no-tr64' (was a no-op)
- Allow _ as a basic code point in domain labels
- Fail building documentatino if 'ronn' isn't installed
- git tag changed to reflect https://semver.org/
Signed-off-by: Pierre-Yves <pyu@riseup.net>