+ Improved performance
+ Upgraded bundled msgpack headers to 3.2.0
* Merged PR #101: Update README in order to match compatibile PHP version
* Merged PR #125: fix ce->name is a zend_string
* Merged PR #106: Update README
* Merged PR #126: add mising tests in archive
* Merged PR #135: Add fixes for issue #81 This also includes tests.
* Merged PR #143: Fixed build with PHP-7.4
* Fixed issue #139: Segmentation fault when using cloned unpacker
* Fixed issue #132: Segfault on session php7.3
* Fixed issue #107: $unpacker->execute() bug
* Fixed issue #83: Arrays and negative index
* Fixed issue #137: DateTime(Immutable) serialization doesn't work with php 7.4 RC1
* Fixed issue #105: MessagePackUnpacker() bug
* Fixed issue #90: msgpack_unpack is super slow (30x times igbinary) on big data sets
* Fixed issue #91: Private property in base class
* Fixed issue #67: Integer overflow on a 64-bit system
* Fixed issue #33: int64 and uint64 decode is not supported in 32-bit php
* Fixed issue #119: uint64 numbers are cast to uint on Windows
* Fixed issue #134: msgpack-php msgpack_serialize/msgpack_pack not handling properly large int
* Fixed issue #81: Serialize optimization
* Fixed issue #108: tests/041.phpt failure
* Fixed issue #142: Recursion encoded as NULL
* Fixed issue #138: Serializers comparison for session like data