Issue 143: GlyphString subwidth for from_index==to_index should be 0
Issue 143: GlyphString subwidth for from_index==to_index should be 0

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