xstr

xstr is used at run time in 8 crates. It is a direct run-time dependency in 5 crates.

Depender (with downloads and own rev deps)			xstr version
	2	xtld		^0.1.11
	2	wxpush		^0.1.11
		xmail		^0.1.11
		hi		^0.1.11
		mysql_macro		^0.1.11