PKG_GET, Get information on installed package

rst $08, defw $100f


IN:	A=package ID
OUT(success):
	Fc=0
	IXh=OZ handles in use
	IXlIY=bytes in use
	A=package resources in use
	BHL=pointer to null-terminated package name
	DE=package version code
	C=slot package installed in
OUT(failure):
	Fc=1
	A=rc_pnf, package not found
	C=slot package was installed in

Registers changed after return:
  ......../.... same
  AFBCDEHL/IXIY different


Notes:
	For use by Installer only
