A bit more tidying up…
A bit more tidying up…

Fix #286 "Missing dates in some feeds"

Alexia/SimplePie,songfj/simplepie,Alkarex/simplepie,ropik/simplepie,barryvdh/simplepie,simplepie/simplepie,Alkarex/simplepie,simplepie/simplepie,barryvdh/simplepie,gsnedders/complexpie,ropik/simplepie,wikidi/simplepie,blat/simplepie,wikidi/simplepie,Alkarex/simplepie,blat/simplepie,Alexia/SimplePie,mblaney/simplepie,skyzyx/simplepie,songfj/simplepie,FreshRSS/simplepie,barryvdh/simplepie,songfj/simplepie,blat/simplepie,mblaney/simplepie,FreshRSS/simplepie,skyzyx/simplepie,wikidi/simplepie