sub ready callback on main queue also
sub ready callback on main queue also

siegesmund/SwiftDDP,mjgaylord/SwiftDDP,Duckr/SwiftDDP,Duckr/SwiftDDP,siegesmund/RealmMeteor,mjgaylord/SwiftDDP,siegesmund/SwiftDDP,siegesmund/RealmMeteor,infinitedg/SwiftDDP,infinitedg/SwiftDDP