SpongePowered/Sponge — pull request #88 by kramerc (2014-12-22 04:35:59+00:00)
Title: Add getUniqueId to MixinEntityPlayerMP.

Implements `getUniqueId()` for players. I'm assuming that `getGameProfile().getId()` is the best way to get this unique identifier based on the information at http://www.minecraftforge.net/forum/index.php?topic=22491.0