This patch allow user to pass some parameter inside XML structure,
given by marshaller xml.marshal.generic

dic = {'a':1, 'b':4}

<?xml version="1.0"?>
<marshal>
  <dictionary id="i2">
    <string>a</string>
    <int>1</int>
    <string>b</string>
    <int>4</int>
  </dictionary>
</marshal>


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@24669 20353a03-c40f-0410-a6d1-a30d3c3de9de