[PyKDE] Changes to Signal/Slot Handling

[Phil Thompson]

Tonight's SIP and PyQt4 snapshots have some changes regarding signal and slot 
handling...

The undocumented feature of using "PyObject *" in signal arguments is now 
documented and uses "PyQt_PyObject" instead.

Queued connections using Python signals (including short-circuit signals) now 
work properly. There is no need to make sure that a reference is kept to 
signal arguments after emit() returns.

lambda functions are now treated slightly differently and can now be used as 
slots.

Phil