Supporing Boost-1.46.0 #31728

git-svn-id: https://svn.sourceforge.jp/svnroot/molds/trunk@1403 1136aad2-a195-0410-b898-f5ea1d11b9d8
Implement the serializer for MolDSException. #31716
Reimplement the serializer for MolDSException using save/load_construct_data. #31716
Test for ser/des of MolDSException