Getting latest version

According to the internet and Dan, if I click on my forked repo's pull request button, then "switching the base" link on the following page, then "create pull request" from that particular version of the source repo's page... it should update my fork to the latest version of the source repo.

Not a critical feature, but it would be nice to know if it worked so I don't have to pull from upstream and then overwrite my own github repo from the command line every time I want the latest version of the master copy on my github.