2018-05-31 Chun-Chung Chen <cjj@u.washington.edu>

	* use doxygen to generate reference manual


2017-09-04 Chun-Chung Chen <cjj@u.washington.edu>

	* update implementation to require C++11
	* drop '=' from short command

2013-09-01 Chun-Chung Chen <cjj@u.washington.edu>

	* arg.cc: polish up argument processing, add help & usage
	* arg: add set(bool) to Option

2013-08-30 Chun-Chung Chen <cjj@u.washington.edu>

	* arg.cc: primative positional argument processing
	* val.cc: type string for Value

2011-06-20 Chun-Chung Chen <cjj@u.washington.edu>

	* arg.cc: remove check before delete

2010-06-09 Chun-Chung Chen <cjj@u.washington.edu>

	* arg.pc.in: provides pkg-config package information

2010-05-07 Chun-Chung Chen <cjj@u.washington.edu>

	* copyright: update copyright notice, switch to LGPL
	* release 1.0

2010-05-06 Chun-Chung Chen <cjj@u.washington.edu>

	* make standalone: copy arg.cc arg.hh from work5/lib1
	* val.cc val.hh: separate value extension classes from arg.hh
	* configure.ac Makefile.am: use autotools
