8.2
Merge branch '8.0' into 8.1
CS fixes
[HttpClient] Remove dead code in `AsyncResponse::__destruct()`
Replace __sleep/wakeup() by __(un)serialize() for throwing and internal usages
Merge branch '7.0' into 7.1
Prefix all sprintf() calls
[HttpClient] Add support for the `max_connect_duration` option
[Filesystem][Finder][Form] Use CPP
[HttpClient] add StreamableInterface to ease turning responses into PHP streams
Merge branch '6.4' into 7.3
Merge branch '6.4' into 7.4