0.0.1 - orig program, flat maps
0.0.2 - fixed buggy plotting code
        lines overlapped properly now
0.0.3 - added Z-axis handling
0.0.4 - added command-line control of options
0.0.5 - added direction of fake-Z offsetting
0.0.6 - added camera axis, added auto-Z-offset selection
0.0.7 - started implementing extraneous line removal
0.0.8 - option to negate the picture
0.0.9 - name now bsp2bmp, as it writes an (uncompressed) BMP file
0.0.10 - bugfixes in BMP writing
0.0.11 - add option for small polygon removal and small line removal,
         more BMP writing bigfixes (but still doesn't seem right).
0.0.12 - fixed a big bug introduced in last version's BMP writing code.
         however is still not perfect.
0.0.13 - fixed bug in bmp writing code relating to zero padding
0.0.14 - rewrote file reading/writing routines ... yeah they should be
         functions, but this is probably the last update I'll ever do!
0.0.15 - changed fopen() modes to "rb" instead of "r" to deal with certain
         porting issues.
0.0.15b - no code changes, minor documentation changes
