Python-registry

fixes:
- `RegistryParse.RegfBlock.file_type()` now returns a `FileType` enum entry, rather that number

thanks to John Ormonde and Tim Heaney for finding the issue an providing a fix!

[all changes](https://github.com/williballenthin/python-registry/compare/1.2.0...2de6c50bba1e0b4406ab8500a1dfa063299b8df0)

adds:
- transaction log support
- win10 insider build compat
- read beyond value end when requested explicitly 86

fixes:
- checksum calculation 60
- tons of REGF block issues by msuhanov
- amcache example
- indirect DB blocks
- timestamp rounding and testing

thanks to:
- NiKiZe
- msuhanov
- PoorBillionaire
- zweger
- jtang613
- mdaue
- devnull-