* Small git utils improvements
- Saves ~20ms per call of `length_uft8_hex`
- Improve test coverage
* Update test
* Update abap_transpile.json
* no skip, fixed
* Update test
* Update abap_transpile.json
* update
Co-authored-by: Lars Hvam <larshp@hotmail.com>
add unit test which parses the response from hex, ie. containing a real null value
simplify get_null() method, it only returns 1 character, but 2 characters are calculated