Updated FML:
MinecraftForge/FML@4a94c2c71bb4cc9644caeb06011a189989b22f87 Fix NPE when loading second single-player world
MinecraftForge/FML@0e80fcb8f716cfef5b016a73ca32ff0e2f3c3c05 Merge pull request #284 from smcv/uninit
MinecraftForge/FML@39620f1e41464f53482277dc3bcb0b9eed8ca25c Fix injection of tweaker into system