Add a stack trace print out on error conditions thrown by the python module.  The stack trace will be printed in the debug output.
Add a stack trace print out on error conditions thrown by the python module.  The stack trace will be printed in the debug output.

git-svn-id: 27e0aca8c7a52a9ae65dfba2e16879604119af8c@845 93a4e39c-3214-0410-bb16-828d8e3bcd0f

fastly/ganglia,fastly/ganglia,fastly/ganglia,fastly/ganglia,fastly/ganglia