pgw

pgw is used at run time in 7 crates. It is a direct run-time dependency in 4 crates.

Depender (with downloads and own rev deps)			pgw version
	1	gt_proc		^0.2.4
	1	apg_proc		^0.2.5
	3	pgm		^0.2.5
	1	xg_proc		^0.2.5