Merge pull request #1 from kimci86/master

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Release patch 1.2.1

- Better Z reduction
- Filter keys with plaintext both forward and backward

Release v1.2.0

- Added the ability to change an archive's password.

It was easier to implement than removing encryption and allows to
extract entries using regular archive managers and the new password.

Release v1.1.0

- Loading ZIP files using Zip64 extensions is now supported
- Check which encryption algorithm is used when loading data from ZIP
files (i.e. will not try to attack AES encrypted files)
- Improved doxygen documentation
- Minor style improvements and fixes

Release patch v1.0.1

Fix workflow for macOS