Revert "Update Model"

This reverts commit 74bc7f2d09e4e50ae692852e4e9a79b1eac7fd49.
Revert "Revert "Update Model""

This reverts commit 56b6e509f3cf89ed4bf43e1aca2dc4abd41aa1ee.
Revert "Revert "Update Model""

This reverts commit 56b6e509f3cf89ed4bf43e1aca2dc4abd41aa1ee.
Merge branch 'master' of https://github.com/okAndrew/TaskXML