[in tools/server-side/svnpubsub]

Check the 'svn' commit object format number.

* svnwcsub.py
  (BigDoEverythingClasss.commit): Check the type and format of commits.

git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1434088 13f79535-47bb-0310-9956-ffa450edef68