TODO list:

Library stuff still seems a bit flaky.  Does static linking work the way it's
supposed to?

Fix library symbol visibility/versions.

Library functions probably need man pages.

Consider sanitizing memory, and figure out how to avoid leaking key material.

Fix alpha channel on the icon.

Make better use of the public library functions from cli/gui.

vpnc integration.

Add hotkeys, import/about dialogs, other features to the GUI.
