copy class attribute from base document when splitting
I think when restoring text mode, need to allow for display math as well
fix ams's \tag command
cleanup RefStepCounter; make DefMath with TeX code for presentation work correctly
fix order of arguments to tabularx (Thanks giovanni111)
added a 'notes' entry to suggest installing a TeX
Proper support for left aligned equations (fleqn)
proper support for left,right, centered equations
 variable-scoped temporary directories. Clean up after Image::Magick for daemonized runs
 Have File::Temp perform the cleanup, when we want it to
be careful to only unwrap _Capture_ nodes in a gather
Be sure operator is wrapped in \operatorname
grab all data in afterDigest, not in Construct, since a 2nd table will overwrite everything
Merge pull request #493 from dginev/scoped_tempdirs

Better scoped temporary directories