-fix build failure when inside cperl in Makefile.PL -removed an unused hash and glob to save memory in Config.pm -fixed a bug, if XSConfig was installed, then perl was upgraded to a newer maint perl, then XSConfig is attempted to be installed again XSConfig.t would fail due to version number mismatch (PPM Builder "Perl lib version (5.18.1) doesn't match executable 't/XSConfig.t' version (v5.18.4)")