JeffPaine/geojson-topojson — pull request #3 by devdattaT (2014-04-28 10:51:17+00:00)
Title: Added the functionality to convert any arbitrary Topojson

In this commit, I've Added the functionality to convert any arbitrary TopoJSON, with any arbitrary collection name, as well as multiple collections in one TopoJSON. I think this should solve the existing issue that you have logged.