[#7035] canonicalize URL escaping on of paths before use in token validation
[#7035] Bump version of TracWikiImporter for bug fix

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>
[#7047] Fixed substitute_extensions not switching back on exception

Signed-off-by: Cory Johns <cjohns@slashdotmedia.com>