modifed docs
Numerous fixes to be more pep8 compliant.
mostly pep8 changes
pep8 compliance changes
pep8 compliance mods
pep8 fixes
pep8 cleanup
pep8 fixes
pep8 fixes
pep8 fixes
pep8
pep8
pep8
unindented isavaspdir.

somehow it got into the context manager.
pep8 changes
pep8 changes
pep8 changes
pep8 compliance
pep8
rm empty line