Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Merge branch 'master' into gh-pages
Added f.labelexport to override f.label.
"f.customvalidation" for later.
Improvements to documentation.

need a lot more work.
Merge branch 'gh-pages'