Added PurpleRequestUiOps callbacks. (UPDATE)
FIXES:
- Added missing structures on request.pxd.
- Added request callbacks forwarding on purple.pyx.
- Added request callbacks example on nullclient.py.
- Added c-based callbacks on request_cbs.pxd.
- Added missing GCallback definition on glib.pxd.
ps: Fixed typo in purple.pyx.
Signed-off-by: Bruno Abinader <bruno.abinader@indt.org.br>
git-svn-id: https://garage.maemo.org/svn/carman/branches/carman-0.7-beta2/python-purple@1308
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