Fix issue showing dependency graph when dependencies contain non-npm dependencies (like git repos).
Fix issue showing dependency graph when dependencies contain non-npm dependencies (like git repos).

caktux/david-www,JoseRoman/david-www,alanshaw/david-www,wzrdtales/david-www,80xer/david-www,caktux/david-www,ExC0d3/david-www,wzrdtales/david-www,JoseRoman/david-www,ExC0d3/david-www,80xer/david-www