compile-each.hxml
--main Main
-hl bin/hl/sys.hl

--next
compile-each.hxml
--main TestArguments
-hl bin/hl/TestArguments.hl

--next
compile-each.hxml
--main ExitCode
-hl bin/hl/ExitCode.hl

--next
compile-each.hxml
--main UtilityProcess
-hl bin/hl/UtilityProcess.hl