def make_hash(str)

      str = str.split('&')
      hash = {}

      str.each do |s|
        opt = s.split('=')
        hash[opt[0]] = URI.unescape(opt[1].to_s.gsub('+', ' '))
      end

      hash

    end
def make_hash(str)

      str = str.split('&')
      hash = {}

      str.each do |s|
        opt = s.split('=')
        hash[opt[0]] = URI.unescape(opt[1].to_s.gsub('+', ' '))
      end

      hash

    end
Returns a hash as key and value from the custom data string
 Params:
 +str+:: contains all of the data for the link