more reorganizeing and $PKGCONFIG.ini files added B to ls -lh for "Bytes"

Test/HyperionOS-units/usr/lib/hunit/dir.unit

@@ -1,3 +1,3 @@
-local fs = require("sys.fs")
+local fs = require("fs")
 assert(fs.mkdir("/tmp/hunit/testdir"), "failed to make directory")
 assert(fs.isDir("/tmp/hunit/testdir"), "directory does not exist")