Log Message:
Update to 3.01b

From  @tristelo, https://gist.github.com/steleto/7767b954611888aaa67d

Changelog:
Ver. 3.01b	Abortion with sparc64 architecture is fixed.
 (05/06/14)	Failure to expand macros with Linux kernel >=2.6.23 is fixed.
		Failure to overwrite some macro with 'bind' is fixed.
		Infinite loop by some builtin with %M macro is fixed.

Ver. 3.01a	Change 'IMELARNING' internal variable to 'IMELEARNING'.
 (06/08/13)	Sorting rule for tree screen is adjusted to browser screen.
		Bug that any invalid UID/GID breaks file list is fixed.
		Bug that file list is not updated with lost directory is fixed.
		Failure to compile with environments using termio is fixed.

Ver. 3.01	Add 'WIDEDIGIT', 'SIZEUNIT' internal variables.
 (08/03/12)	Add 'HISTUMASK', 'DIRHISTUMASK' internal variables.
		Add 'IMELARNING', 'FREQFILE', 'FREQUMASK' internal variables.
		Add 'getfreq', 'setfreq' builtins.
		The object tables of 'IMEBUFFER' internal variable is extended.

Ver. 3.00m	Add the identifier UTF8LANG for compile.
 (07/27/12)	Abortion when save file on customizer with some OS is fixed.
		Wrong priority with IME translation candidates is fixed.
		Unavailable dictionary in DICTSRC with ShiftJIS OS is fixed.
		Failure to compile with gcc-4.2 is fixed.
		Bug that some pipes cause infinite loop is fixed.
		Ineffective suspend key in any pipes is fixed.
		Wrong manual page for 'wait' builtin with no argument is fixed.

Ver. 3.00l	Support Android 4.0.
 (06/30/12)	Support MINIX 3.2.
		Add the identifiers DEFKCODE, UTF8DOC, LANGWIDTH for compile.
		Add the identifiers _NOUNICDTBL, _NODICTTBL for compile.
		The cross-compiling is supported more carefully.
		Strange attribute-changing screen in narrow terminal is fixed.
		Some abortion when open archive browser is fixed.
		Some abortion when access MS-DOS formed path is fixed.
		Persistence of "Wait a minute" when TRADLAYOUT=1 is fixed.
		Ineffective sequence to save cursor when PTYMODE=1 is fixed.
		Unreadable file starting with "./" in archive browser is fixed.

Ver. 3.00k	Support Cygwin 1.7.13.
 (04/21/12)	The cursor position after changing directory upward is changed.
		Failure by PageUp/PageDown key on the tree screen is fixed.
		Unsupported second resolution on the floppy drive is fixed.
		Some abortions by Bs key on the tree screen is fixed.
		Broken tree screen on the MS-DOS formed path is fixed.
		Failure to get HTTP log on some environments is fixed.
		Ineffective command result just before NEXT_WINDOW is fixed.
		Abortion with LOG_DIR in archive browser is fixed.
		Unexpected result of LOG_DIR in archive browser is fixed.
		Overflow by the too long path name is suppressed.
		Some commands in archive browser is restricted.