Version 1.0: Original version converted by Bob Shimbo

Version 1.1: Rewrote makefile, small window, uses better rand, general cleanup,
		renaming of files, prototypes added.

Version 1.1.1: Combat.c cleaned up. Configuration file processing added.

Version 1.1.2: Commands.c cleaned up. get_char() returns char.

Version 1.1.3: Display.c and enemy.c cleaned up.

Version 1.1.4: The remaining parts of the code cleaned up. get_line(),
		get_token() and get_tf() improved. Global variables 
		initialized in main.c.

Version 1.2: Removed silly mini window, uses stdin in RAW mode instead.
		Added research_limited(), recoded enemy research, added
		*, + and - investment. Minor bugs removed. Shows newly
		explored planets immediately. Ready for new termtypes.

Version 1.2.1: Fixed bug in selecting planets when attacking.