Version -> 0.4.4, bump Kotlin version to 1.6.20

fix preprocessRegex function (fixes #51)

Update README.md for the 0.4.3 release

Fix non-thread safe regex matching in the JVM implementation

Close #39

Remove Bintray guide as the library is now on Maven Central

Update gradle.yml

Add internally stored Regex to Token to preserve originally used Regex

Make Parsed.remainder public
Optimize TokenizerMatchesSequence to reduce number of objects.
Push version to 0.3.2

Advance version to 0.3.1, fix non-nullable `structureParsers` and tests.

Update README.md

Update README.md