Changelog:
===========
-Fix SyncWrapperType and AsyncWrapperType
-Fixed issue where signal.connected_to would not disconnect the receiver if
an instance of BaseException was raised.
Signed-off-by: Wang Mingyu <wangmy@fujitsu.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>
(cherry picked from commit 005974b1b3)
Signed-off-by: Armin Kuster <akuster808@gmail.com>
