Version 4.4.1 (#476)

* Version 4.4.1

Remove tlx::sbyte_buffer

* Update README.md & changelog

Bump version from 4.3.3 to 4.4.0

Bump 4.3.3

Fix solaris ci (#459)

Improve comment [skip ci]

Prepare release 4.3.0 (#449)

Update 1k

Bump 4.2.3

Prepare release 4.2.2

Release 4.2.1