Bug Fix: erase did not consider start index when calculating size to be erased.
Bug Fix: erase did not consider start index when calculating size to be erased.

ruleless/CEGUI,OpenTechEngine/CEGUI,ruleless/CEGUI,OpenTechEngine/CEGUI,ruleless/CEGUI,OpenTechEngine/CEGUI,OpenTechEngine/CEGUI,ruleless/CEGUI