Add to-do list.
Use 'wasd' or 'hjkl' for movement.
Dynamically seed pseudo-random number generator.
Add seed and version arguments.
Add usage message.

Also make argument-parsing's error-reporting better.
Change to Unix line endings

Conflicts:
	makefile
Put terminal in some kind of raw mode

Conflicts:
	main.c
	makefile
Fix makefile
Clear screen; get direction commands working

Conflicts:
	main.c
Fix runaway loop
Fix game over message; change spaces to tabs

Conflicts:
	main.c
Change more spaces to tabs
Clean things up; add comment

Conflicts:
	io.h
	main.c
Add --help, --legal, and --raw options

Conflicts:
	main.c
Fix style
Make raw mode the default; flush prompt

Conflicts:
	main.c
Update to-do file.
Restore terminal mode on exit
Merge pull request #5 from drkitty/raw-mode-fix

Looks good to me.
Fix input-getting bug.

Bug result of poorly-done merge.