Remove excessive console debugging.
Merge remote-tracking branch 'upstream/master'
Add unselect operator.

unselect removes columns from the dataset.
This is useful when columns are present merely
to provide a sort order, and should not be
present in the final graph.
Add unselect operator.

unselect removes columns from the dataset.
This is useful when columns are present merely
to provide a sort order, and should not be
present in the final graph.
Merge branch 'master' of https://github.com/DentonGentry/afterquery

Conflicts:
	render.js
	t/trender.js
Add unselect operator.

unselect removes columns from the dataset.
This is useful when columns are present merely
to provide a sort order, and should not be
present in the final graph.
Merge branch DentonGentry/master

* DentonGentry/master:
  Add unselect operator.