Alpha 2.4 contains fixes to reduce api calls to mojang.com for retrieving user UUIDs for plugins that don't have proper UUID supprt yet, and a revamped save management system, which is the last part of the core that needed cleaned up to make future updates easier. Please note this version is not compatible with Alpha 2.0 and below...if you're upgrading from an Alpha 2.0 or earlier build please use Alpha 2.3 to upgrade your save files then switch to Alpha 2.4. Happy mining, and thanks for choosing The New Economy for all of your economy needs!