Create a unified method to create all the subscribe_* method return values
Create a unified method to create all the subscribe_* method return values

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