Add TODO invalid task checking
Add stubs for delete,filter, and update
Try to define CRUD
Fix failing test case
Merge pull request #87 from angathorion/NLP-interface

Interface/documentation updates
Declare the getTasks methods.
Merge pull request #85 from evansb/implement-crud

Implement CRUD
non-compiling implementation, waiting for stubs from Evan.
Add filter stub
Add filter stub in header
Merge pull request #91 from evansb/filter-and-crud

Add filter stub
Merge remote-tracking branch 'remotes/upstream/master' into more-controller-methods
Implement the methods to get all tasks from the query engine.
Merge pull request #92 from lowjoel/more-controller-methods

Controller methods for retrieving some subset of tasks
Documentation additions.