alexlevin/rack-affiliates — pull request #9 by steventen (2014-03-06 16:43:56+00:00)
Title: Added overwrite option

An `overwrite` option is added.

The default setting is `true`, so when a link that contains a new affiliate tag is visited, it will overwrite the one that already exists in cookie.

With this `overwrite` option set to `false`, the previous affiliate tag won't get overwritten.