* master:
Fix still broken session test. Only return true/false.
Fixed bug #66830 (Empty header causes PHP built-in web server to hang).
Followup fix to custom session save handlers
create locales and re-add test
rm test for now
Conflicts:
ext/session/tests/session_set_save_handler_class_012.phpt
2d9885c introduced some regressions. This addresses those.
* Don't throw return type notice or session write failure when in an exception
* Fix tests to properly return true/false since null is no longer falsy/successy
* Rerecord a few tests to accomodate difference in raised warnings
