v2.0.0

Tree

• add select(selector)
• add filter(predicate)
• add find_by_tag(tag_id)
• add find_by_tag(tag_string)
• add find_by_id(id)
• add find_by_class(class)
• add find_by_attr(key, value)
• remove create_node

Node

• at(key) returns optional with value of attribute
• operator[] return value of attribute, does not do any error checking
• is_text_node() returns true if tag is one one TEXT_, COMMENT_, STYLE
• add inner_text()
• rename tag_string() to tag_name()
• remove set_namespace
• remove add_child
• remove insert_before
• remove insert_after
• remove remove
• remove add_attribute
• remove remove_attribute_by_key

Attribute

• add operator<<, gives out key="value"
• remove set_namespace