strong84

Results 4 issues of strong84

Just some minor changes to support Swift 4.2.

1. Is there a better way to remove all psps? 2. how does Uniqush-push to detect invalid psps? 3. If I want to update GCM/APNS services, How to update cert/key/projectid/apikey...

Can user subscribe to a certain topic? Use service as topic??

When remove a psp(rmpsp), should it also remove all the subscribers belongs to this psp? In my uniqush push server, when I remove a psp, all the subscribers are remained.