- since version 0.4
	* fixed automake/autoconf related bugs
- since version 0.3
	* fixed a bug that can not use cursor keys properly
	* fixed a bug that can not use function keys properly
	* fixed a bug that can not use keypad keys properly
	* deleted update_rect according to libiterm
- since version 0.2
	* changed default TERM environment variable value vt100 to iterm
- since version 0.1
	* modified for iterm event dispatch model
	* modified for devfs system
	* hardened vt checking
	* fixed a bug bottom line is not used
