VisionOS support added

Bug fixes for Swift 5.7 (unaligned pointer problem)

Fixed a bug that caused a crash when decompressing gzip data caused b…

…y an Swift 5.7 internal spec change.

Xcode 11 & Swift Package Manager 5 support added

Preventing a bug in Apples lsfse compressor that occures for large ch…

…unks of data.

Swift 5.0 deprecation warnings suppressed

Carthage support added

Support for Swift 5.0

Support for Swift 4.2

Gzip support, Update to Swift 4.1, checksum optimizations, version 3.…

…0.0 release.