set cache before deciding whether to hide some lists
set cache before deciding whether to hide some lists

previously we always regenerated if hidePrivate was set,
which seems silly. Let's load the entire list from cache
and then sort it if need be.

quenda/ponymail,jimjag/ponymail,Humbedooh/ponymail,rbowen/ponymail,rbowen/ponymail,quenda/ponymail,jimjag/ponymail,quenda/ponymail,jimjag/ponymail,Humbedooh/ponymail,jimjag/ponymail,Humbedooh/ponymail,rbowen/ponymail