* tools/dev/which-error.py: Strip a leading E or W from error codes    passed via the command line.
* tools/dev/which-error.py: Strip a leading E or W from error codes
   passed via the command line.

jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion,jmckaskill/subversion