[pacman-dev] [PATCH 0/4] addition of API methods and backend work

I've had the ensuing patches on my tree for a few days. A quick outline of what they accomplish: 1) Replace the old libfetch method of setting useragent (via an environment var) with proper get/set methods. 2) Refactor signature downloading to ensure that the sig file is downloaded from the same mirror as the file itself. 3) Add handling for VerifySig in the [options] section of pacman.conf. This should probably be split into two patches (front end/back end), as it adds another API interface. I'm not sold on the naming convention I've used either. Feedback (and dan's criticism) is welcome. d