rsntp

rsntp is used at run time in 5 crates.

Number of dependers	rsntp version	Downloads/month
3	4.0.0	8.3K
2	3.0.2	1.1K

Depender (with downloads and own rev deps)			rsntp version
350		tsar-sdk		^4
250		RustGLM		^4.0.0
120		iid		^4.0.0
		rsdate		^3.0.1
		mymy		^3.0.2