Implemented command arguments and the "unset" command.
tree79d8af81075169397491e00f4d74009ee03ef569
-rw-r--r-- 10 .gitignore
-rw-r--r-- 65 ABOUT
-rw-r--r-- 696 Makefile
drwxr-xr-x - bin
drwxr-xr-x - src