prevent croaking if url contains invalid (unquoted) characters
Merge branch 'umlauturl' of https://github.com/amotl/repoze.debug into amotl-umlauturl

Conflicts:
	CHANGES.rst
Fix mis-merge.
prevent croaking if url contains invalid (unquoted) characters: py3k fix
Merge branch 'umlauturl' of https://github.com/amotl/repoze.debug into amotl-umlauturl
Slightly better changelog.