Bukkit

v1.1
+ If type mismatch check is enabled the value of a SELECTION type option will be check if value is allowed
+ Checking for incompatible arguments

v1.0
+ Option types: BOOLEAN, KEY_VALUE_PAIR, SELECTION, SETTING, ANY
+ Multiword arguments (with quotes)
+ Throwing exceptions on argument faults: UnknownArgument, ArgumentReqiured, TypeMismatch
+ An OptionsSheet can be loaded from a file or string
+ ArgEngine parser
+ ArgEngine special parser method