Try the cache when GitHub ratelimit reached.
Try the cache when GitHub ratelimit reached.

Related to issue #161.

bishop335/shields,dnvriend/shields,RIAEvangelist/shields,mahirk/shields,olivierlacan/shields,PeeHaa/shields,mkiisoft/shields,tomap/shields,igormukhingmailcom/shields,sanemat/shields,jennifer421/shields,jennifer421/shields,MatzFan/shields,rmuhamedgaliev/shields,mahirk/shields,driskell/shields,freezy-sk/shields,spalger/shields,HossainKhademian/Shields,szepeviktor/shields,MGDIS/shields,workhorsy/shields,andyshinn/shields,mateusrevoredo/shields,Daniel15/shields,tomap/shields,wanji/shields,badges/shields,sanemat/shields,driskell/shields,rayners/shields,MatzFan/shields,Miovision/shields,clintonhalpin/shields,HossainKhademian/Shields,RIAEvangelist/shields,bishop335/shields,Borgaard/shields,rexxars/shields,badges/shields,pine613/shields,Borgaard/shields,malditogeek/shields,roomthily/shields,andyshinn/shields,sebyddd/shields,MGDIS/shields,workhorsy/shields,mateusrevoredo/shields,spalger/shields,krak3n/shields,szepeviktor/shields,mkiisoft/shields,malditogeek/shields,IveWong/shields,freezy-sk/shields,krak3n/shields,sebyddd/shields,allenmanning/shields,piperchester/shields,wanji/shields,gcochard/shields,gcochard/shields,PeeHaa/shields,igormukhingmailcom/shields,rayners/shields,Miovision/shields,roomthily/shields,marktopper/shields,Daniel15/shields,adjohnson916/shields,IveWong/shields,adjohnson916/shields,badges/shields,piperchester/shields,zackp30/shields,marktopper/shields,zackp30/shields,pine613/shields,dnvriend/shields,rexxars/shields,clintonhalpin/shields,allenmanning/shields,rmuhamedgaliev/shields,Miovision/shields