class Nokogiri::XML::XPathContext

def register_namespaces(namespaces)

Register namespaces in +namespaces+
## 
def register_namespaces(namespaces)
  namespaces.each do |k, v|
    k = k.to_s.gsub(/.*:/, "") # strip off 'xmlns:' or 'xml:'
    register_ns(k, v)
  end
end