Made template parser remember last initted page_id and namespace to avoid double init; made additional_headers reassign only do so if $template->additional_headers is empty (it's being blanked somehow, need to come up with a backtrace sometime)

.panel_wrapper div.current {
	height: 290px;
}

#id, #style, #title, #dir, #hreflang, #lang, #classlist, #tabindex, #accesskey {
	width: 200px;
}

#events_panel input {
	width: 200px;
}