Uncorrect handling of deleted files

[Strongleong]

I am bad at explaining, especially in foreign language, so I just will describe steps to reproduce.

1. init git repository
2. create two files TODO's
3. stage them
4. check that snitch list works properly
5. commit files
6. delete one of the files
7. snitch list without staging/committing

Result: stat <deleted filename>: no such file or directory

No sure if that is intended behavior but I think it is may be connected to #90