Bad command-line error message for '-collapse True'

[davideby]

Reported on the gsea-help mailing list. The user had supplied a CHIP but used '-collapse True' instead of '-collapse true' on the command-line. This fails with the error:
xtools.api.param.BadParamException: Chip parameter must be specified as you asked to analyze in the space of gene symbols. Chip is used to collapse probe ids into symbols

We should obviously recognize True as equivalent, but we should also track down why this reports the unspecified CHIP errro.