Fixes invalid versions in "time" field. Npm now returns "created" and "modified" properties in the time object. The `feed.js` code was assuming all properties would be valid semver versions, which they are now not.
Fixes invalid versions in "time" field. Npm now returns "created" and "modified" properties in the time object. The `feed.js` code was assuming all properties would be valid semver versions, which they are now not.

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