[#4862] Fix ticket visibility in subproject tracker

Signed-off-by: Tim Van Steenburgh <tvansteenburgh@gmail.com>
[#4862] Fix deleted ticket visibility in subproject tracker

Signed-off-by: Tim Van Steenburgh <tvansteenburgh@gmail.com>
[#6253] Add some more file-like stuff to Writer

Signed-off-by: Tim Van Steenburgh <tvansteenburgh@gmail.com>