first commit
modify ignore file
fix gitignore bug, and added missed files
fix bug of assertion in draw_pixel
This is my first use git.
The game is my 1.0.0 version.
--2013.3.23
This is Ver 1.0.1

Improved the structure of game.c code
Version 1.0.2

Remove linklist.h
2013.3.28
This is my final version of lab0.
2013.4.1
final