commonlib

commonlib is used at run time in 6 crates.

Depender (with downloads and own rev deps)			commonlib version
	2	rtmp		^0.1.2
	1	hls		^0.1.2
		xiu		^0.1.2
	1	httpflv		^0.1.2
	1	xrtsp		^0.1.2
	1	xwebrtc		^0.1.2