Make counter global, in case readTodos is called multiple times.
Move modules to a lib directory.
Content has moved to the Wiki at Github.
Also take p tags into consideration when picking a new dependency ID.
Some improvements on the do subcommand.

* Recur subtasks if they should be completed.
* Print subtasks when asking whether they should be completed.
Merge branch 'dev'
Merge branch 'master' of github.com:bram85/todo.txt-tools