D4N

ABI compatibility checker

5

This is a draft of a job on GitLab CI for the `0.27-maintenance` branch that runs [abi-compliance-checker](https://lvc.github.io/abi-compliance-checker/) to check the difference between the current state and the 0.27 tag. If...

Rewrite sanity checks for the CiffComponent size & offset

2

From https://github.com/Exiv2/exiv2/pull/1020#issuecomment-538798087: > Not super-happy about the location. looks odd to me, but I am not sure that the base read() should decide this, and the readDirectory() cannot decide it....