* contrib/hbqt/qtcore/hbqt_misc.prg
* Laxed the rules for handling low-level connect/disconnect errors.
Now some cases will now RTE, some will return .F., some will get
ignored and .T. returned. Please refine it as required.
* Optimized :connect()/:disconnect()
* contrib/hbqt/qtcore/hbqt_hbqslots.cpp
! __HBQT_SLOTS_CONNECT() fixed to check for codeblock parameter
before actually making the connection on QT level.
Hopefully this was not some intentional feature.
* contrib/hbxbp/xbpmenubar.prg
! xbpMenuBar:delItem() fixed :disconnect() calls with wrong parameter.
Blindish fix, pls review and test.
d2a1f9c780