Changes to fix IE9 support plus partial IE8 support.
Changes to fix IE9 support plus partial IE8 support.

hfTagName() can return xml-ish namespaced tags eg `hf:frame`.
On IE8, IE9 this uses element.scopeName.

Also add _.map() and _.filter() array utils.

meekostuff/HyperFrameset,meekostuff/HyperFrameset,meekostuff/HyperFrameset