Add recursive set/unset methods to AbstractState.
Add recursive set/unset methods to AbstractState.

odyaka341/pyglet,kmonsoor/pyglet,gdkar/pyglet,shaileshgoogler/pyglet,mpasternak/michaldtz-fix-552,google-code-export/pyglet,gdkar/pyglet,gdkar/pyglet,arifgursel/pyglet,mpasternak/michaldtz-fix-552,mpasternak/michaldtz-fixes-518-522,mpasternak/pyglet-fix-issue-518-522,mpasternak/pyglet-fix-issue-518-522,cledio66/pyglet,mpasternak/michaldtz-fixes-518-522,shaileshgoogler/pyglet,google-code-export/pyglet,Austin503/pyglet,odyaka341/pyglet,shaileshgoogler/pyglet,kmonsoor/pyglet,Alwnikrotikz/pyglet,odyaka341/pyglet,kmonsoor/pyglet,arifgursel/pyglet,google-code-export/pyglet,Austin503/pyglet,odyaka341/pyglet,mpasternak/michaldtz-fix-552,shaileshgoogler/pyglet,Austin503/pyglet,qbektrix/pyglet,Austin503/pyglet,gdkar/pyglet,mpasternak/pyglet-fix-issue-552,odyaka341/pyglet,xshotD/pyglet,google-code-export/pyglet,mpasternak/pyglet-fix-issue-552,xshotD/pyglet,arifgursel/pyglet,qbektrix/pyglet,arifgursel/pyglet,cledio66/pyglet,qbektrix/pyglet,cledio66/pyglet,xshotD/pyglet,qbektrix/pyglet,xshotD/pyglet,Austin503/pyglet,shaileshgoogler/pyglet,Alwnikrotikz/pyglet,gdkar/pyglet,mpasternak/michaldtz-fixes-518-522,mpasternak/michaldtz-fixes-518-522,mpasternak/pyglet-fix-issue-552,mpasternak/pyglet-fix-issue-518-522,arifgursel/pyglet,Alwnikrotikz/pyglet,mpasternak/pyglet-fix-issue-518-522,Alwnikrotikz/pyglet,kmonsoor/pyglet,cledio66/pyglet,mpasternak/michaldtz-fix-552,Alwnikrotikz/pyglet,kmonsoor/pyglet,google-code-export/pyglet,qbektrix/pyglet,cledio66/pyglet,mpasternak/pyglet-fix-issue-552,xshotD/pyglet