[requests] multithreading chunks and enitity ticking

[WesleyVanNeck]

multithreading entitys like armor stands and minecarts

[josephworks]

multithreading chunks would be nice

[mio-19]

This fork has done it https://github.com/tr7zw/YAPFA/tree/multithreading

[mio-19]

another fork: https://github.com/nckk-mc/mcmt