Fix fileextsheet handling and initialization

git-svn-id: https://code.downthemall.net/repos/trunk@3764 43940e1f-b481-bb45-89eb-5c6a4bf3d40a
Properly count complete -> not-complete transitions

git-svn-id: https://code.downthemall.net/repos/trunk@3765 43940e1f-b481-bb45-89eb-5c6a4bf3d40a