leigh-minecraft-link: Tuned thread counts to try to prevent stalls.

leigh-minecraft-leighco: Swapped hardcoded defaults around to neweden

leigh-minecraft-leighco: Changed lot naming from -lot- to -world- in case there are different worlds on one realm

leigh-minecraft-json: Modified JSON reader so that it returns null if the input stream is premature, rather than throwing

leigh-minecraft-leighco: Renamed /lc land claim to /lc land buy