List.register: warn when toCSV is specified (and code cleanup)
List.register: warn when toCSV is specified (and code cleanup)

sendyhalim/keystone,ratecity/keystone,danielmahon/keystone,Pop-Code/keystone,brianjd/keystone,snowkeeper/keystone,trentmillar/keystone,frontyard/keystone,jstockwin/keystone,danielmahon/keystone,Yaska/keystone,rafmsou/keystone,benkroeger/keystone,Adam14Four/keystone,andrewlinfoot/keystone,naustudio/keystone,vokal/keystone,andrewlinfoot/keystone,rafmsou/keystone,ratecity/keystone,cermati/keystone,trentmillar/keystone,benkroeger/keystone,naustudio/keystone,snowkeeper/keystone,vokal/keystone,trentmillar/keystone,cermati/keystone,dryna/keystone-twoje-urodziny,Pop-Code/keystone,frontyard/keystone,alobodig/keystone,dryna/keystone-twoje-urodziny,Yaska/keystone,matthewstyers/keystone,frontyard/keystone,ONode/keystone,Yaska/keystone,linhanyang/keystone,matthewstyers/keystone,naustudio/keystone,concoursbyappointment/keystoneRedux,ONode/keystone,concoursbyappointment/keystoneRedux,jstockwin/keystone,sendyhalim/keystone,w01fgang/keystone,vokal/keystone,benkroeger/keystone,w01fgang/keystone,alobodig/keystone,andrewlinfoot/keystone,danielmahon/keystone,Adam14Four/keystone,matthewstyers/keystone,brianjd/keystone