WrappedText: use Vty's vert_cat function instead of ugly if/foldl and fix problem with negative arguments to fromEnum
WrappedText: use Vty's vert_cat function instead of ugly if/foldl and fix problem with negative arguments to fromEnum

Ignore-this: 18525fa4b005273e9a3f7192232db28e

darcs-hash:20091004204845-e018d-4f548f05a9125fc66b8a15fab1888f7a6962ac42.gz

KommuSoft/vty-ui,ktvoelker/vty-ui