Boost's string split function causes problems on older versions of the library. Replaced with homegrown equivalent.

2008-05-01T22:20:24+00:00

git-svn-id: https://svn.apache.org/repos/asf/incubator/qpid/trunk/qpid@652689 13f79535-47bb-0310-9956-ffa450edef68

delta/python-packages/qpid-python.git/cpp/src/qpid/StringUtils.cpp, branch qpid.0-10