v0.6.1

New Features

• Add Node::as_element() in #8 by @arduano.
• Add Node::as_element_mut() in #8 by @arduano.
• Add Element::into_node() in #8 by @arduano.
• Add Queryable::query_mut() in #8 by @arduano.
• Add Queryable::execute_for() in #8 by @arduano.
• Implement From<Element> for Node in #8 by @arduano.
• Derive Clone trait for Element in #8 by @arduano.
• Support grouping selectors (e.g. h1, h2)in #7 by @lomirus.

Refactor

• Refactor Node::Element { name, attr, children } into Node::Element(Element) in #8 by @arduano.
• Remove Node::into_element(self) in #8 by @arduano.
• Implement From<&str> instead of ordinary trait method for Selector @lomirus.

Performance

• Improve the performance (3~10 times faster) when parsing large html file by @lomirus.