Change SimplePie::get_items() to return false when there are no items.
Change SimplePie::get_items() to return false when there are no items.

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