class Protocol::Rack::Request

def self.headers(env)
	headers = ::Protocol::HTTP::Headers.new
	env.each do |key, value|			
		if key.start_with?('HTTP_')
			next if key == 'HTTP_HOST'
			headers[key[5..-1].gsub('_', '-').downcase] = value
		end
	end
	return headers
end