encode(), decode() methods added to keep xml data as values
encode(), decode() methods added to keep xml data as values

git-svn-id: dffaf114a56635e7c284c2ed43b4dfb04c89e4e8@298 00b2b5fc-311a-0410-90ea-96fce9c84a0d

caiyingyuan/tigase-xmltools-71,caiyingyuan/tigase-xmltools-71