+ Adapted the regression spec from #68
+ Adapted the regression spec from #68

This is more or less the regression spec from #68. It proves that the
last change might be ok.

kwangkim/parslet,eeeyes/parslet,kschiess/parslet,kwangkim/parslet,eeeyes/parslet,NigelThorne/parslet,kwangkim/parslet,NigelThorne/parslet,kschiess/parslet,hggh/parslet,kschiess/parslet,hggh/parslet,hggh/parslet,eeeyes/parslet,NigelThorne/parslet