Tweak @chapmanb's fix for input file mapping
Tweak @chapmanb's fix for input file mapping

common-workflow-language/cwltool,common-workflow-language/cwltool,chapmanb/cwltool,dleehr/cwltool,dleehr/cwltool,jeremiahsavage/cwltool,jeremiahsavage/cwltool,dleehr/cwltool,chapmanb/cwltool,common-workflow-language/cwltool,SciDAP/cwltool,chapmanb/cwltool,chapmanb/cwltool,SciDAP/cwltool,jeremiahsavage/cwltool,dleehr/cwltool,SciDAP/cwltool,SciDAP/cwltool,jeremiahsavage/cwltool