added a setting that allows bitlify filter to just return the absolute url in case BittleException is raised

Signed-off-by: Flavio Curella <flavio.curella@gmail.com>
bumped up version to 0.7

Signed-off-by: Flavio Curella <flavio.curella@gmail.com>
fixed typo

Signed-off-by: Flavio Curella <flavio.curella@gmail.com>
Merge pull request #1 from fcurella/fallback_absolute_url

Bitlify filter fallbacks to return absolute url if BittleException is raised