Allow widgets to be placed in any square of Grid
Merge branch 'master' of https://github.com/gupascal/TGUI into gupascal-master
Slightly changed the docs of callback triggers
Fixed unused parameter warning
handleEvent now returns a bool indicating of the event was used by the gui or not
Swapped the meaning of true and false being returned by handleEvent
Added a setSize function to the Grid widget. In the same time, simplified the switch-case in the updatePositionsOfAllWidgets() function.
Merge remote-tracking branch 'remotes/upstream/master'