This change deals with variables in rings defined internally,

and I only know how to get something to run, not how to do this
correctly.
Also qthReesAlgebra calls qthIdealClosure, which uses options.
How should this be treated in the documentation?
I'm still getting non-fatal errors about this.
Merge branch 'master' of https://github.com/Macaulay2/Workshop-2014-Berkeley

Conflicts:
	IdealClosure/IdealClosure.m2