Merge pull request #62 from IIoTeP9HuY/master

stat: ifdef logic in atomic.h simplified
Merge pull request #63 from IIoTeP9HuY/master

stat: Json statistics. React C bindings.
Merge pull request #64 from IIoTeP9HuY/master

stat: int replaced with long in atomic_t to support bigger values
Merge pull request #65 from IIoTeP9HuY/master

foreign: react submodule updated
v0.21.31
foreign: React submodule naming change