GlowstoneMC/Glowkit — pull request #53 by m3rcuriel (2014-11-10 07:32:22+00:00)
Title: Added non-existant player checking to whitelist command

This commit fixes last problem in https://github.com/GlowstoneMC/Glowstone/issues/523 by checking to ensure that we are not adding a player using a Glowstone-generated UUID rather than the Mojang one.