V3.1 - Make LowMem globals as predefined variables, fix 64-bit support, enable
       x86-64 disassembler with "d8664" command
V3.0 - Replaced 680x0 and 80x86 disassemblers with the ones from GNU binutils,
       added symbolic display of MacOS low memory globals to PPC disassembler,
       MacOS features in PPC disassembler are controlled by "-m" argument,
       real memory mode is entered by "-r" argument, extended 8080 disassembler
       to Z80, name changed from "mon" to "cxmon"
V2.2 - Switched to autoconf/automake, fixed some minor bugs in the PPC
       disassembler, commands made modular, added binary dump (b) command
V2.1 - Compiled for BeOS R4, opens Terminal window when started from Tracker,
       implemented 8080 disassembler, included Unix makefile
V2.0 - Unified PPC and x86 release
V1.5 - Non-interactive mode, real mode
V1.4 - Implemented 6502 and 680x0 disassemblers
V1.3 - Now uses libreadline
       Disassembler: prints SPR names instead of numbers, fixed bugs
V1.0 - Initial release