Added a default in for "dir"
Merge branch 'v0.0.2-dev' of github.com:GroundSix/asink into v0.0.2-dev

* 'v0.0.2-dev' of github.com:GroundSix/asink:
  Implemented groups and recursive require which closes #15 and closes #20
  Added executeGroupedTasks function
  Implemented "require" which adds to #15
  Printing task name on execute for now
  Now storing tasks as a map with string keys using the task name
  Passing task name into AddTask ans Task struct
Added docblocks to task for #33
Abstracted functions in config which closes #27 and adds to #33