added in ability to disable it

[tomatohater]

Opening new PR to replace #13 so that this is merged into a feature branch instead of master.

[coveralls]

Coverage decreased (-0.56%) to 99.44% when pulling 81715b2 on brechmos:master into 63a43de on tomatohater:feature/disable-filter.

[coveralls]

Coverage decreased (-0.56%) to 99.44% when pulling 81715b2 on brechmos:master into 63a43de on tomatohater:feature/disable-filter.

[coveralls]

Coverage decreased (-0.56%) to 99.44% when pulling 2c6fcee on brechmos:master into 63a43de on tomatohater:feature/disable-filter.

[coveralls]

Coverage decreased (-0.56%) to 99.44% when pulling 2c6fcee on brechmos:master into 63a43de on tomatohater:feature/disable-filter.

[tomatohater]

One more comment... If not enabled, I'd just short circuit the filter and return "value" quickly:

def obfuscate(value, juice=None):
    if not settings.UNFRIENDLY_ENABLE:
        return value
    ....

This avoids the unnecessary execution of the rest of the method.

[tomatohater]

Closing in favor of #15.