Added legacy cli interface.
Added legacy cli interface.

godfreyy/tablib,bopo/tablib,mloesch/tablib,klothe/tablib,whix/tablib,klothe/tablib,whix/tablib,leohmoraes/tablib,steveb/tablib,screwt/tablib,zhengzhihust/tablib,zhengzhihust/tablib,durden/tablib,steveb/tablib,kennethreitz/tablib,tommyanthony/tablib,bopo/tablib,enzochiau/tablib,screwt/tablib,leohmoraes/tablib,enzochiau/tablib,mloesch/tablib,alex/tablib,godfreyy/tablib