Simple task tracking tool to plan and log execution times for extreme
programming tasks. This project is created for learning purposes only.


Specification
=============
Any user can see list of ``stories``.
Authenticated users can create new ``stories``.
Each ``story`` in the list has a link to its details.
Any user can see ``story`` detail page, where details, including
    list of ``tasks`` are displayed.
Authenticated users can update the details or add new ``tasks``.
Each task in the ``tasks`` list has a link to its details.
Any user can see ``tasks`` details.
Authenticated users can update ``task`` description and log time spent.

Any user can review cumulative statistics of any registered user.
Cumulative statistcs consists of total estimated time and total time spent for
specified user.