v1.2 Release

v1.2 Release

** Optimizations in Various Hashes like
Siphash, MurmurHash etc.
** Cleanup of Some Unused Methods.
** Fixed Some "Potential Bugs".
** Fixed a slowdown (for Delphi in SHA0, SHA1, SHA2 based Hashes) that was introduced
in the previous release because of manually unrolled loops.
** Various Improvements.

https://github.com/Xor-el/HashLib4Pascal
https://github.com/Xor-el/HashLib4Pascal