Added the IDonResponse interface to define Response objects that will contain information that will be returned to the GUI for formatting and display.
Added getID to IDonTask.
Implemented getID in DonTask.
Added taskID field in DonTask.
Removed default constructor for DonTask.
Removed createTask from the IDonLogic interface.
Added runCommand to IDonLogic.
Added saveToDrive to IDonLogic.
Made IDonTask extend the Comparable interface to allow comparison between IDonTasks.
Implemented compareTo in DonTask.
Added implementation of the 3 createTask methods and made them private.
Added some constants in DonLogic for use in createTask.
Added runCommand in DonLogic to run user commands.

Added ResponseType enum to IDonResponse.
Added getResponseType and setResponseType to IDonResponse.

Added getNextID to IDonStorage.

Removed TASK prefix from TaskType enum in IDonTask.