epicache_apc updates: delete and expiry option for set
epicache_apc updates: delete and expiry option for set

jmathai/epiphany,mwidmann/epiphany,habibmasuro/epiphany,Moshi-Inc/Epi,h0ru5/rugtrain,m-philipp/epiphany,h0ru5/rugtrain,leandrowkz/epiphany