Mac PGP version

Here's the author of the Mac port I referenced: Zbigniew Fiedorowicz <fiedorow@function.mps.ohio-state.edu> This fixes the second of Fen's bugs. Contacting Zig will fix the first (no source). And, Fen, you attached a PGP key. Did you really ask the NSA to generate one for you? :-) Eric