Revision history for HO-class
0.07 - 2017-04-20
* support for default values in _ro and _rw accessors
* make_subclass class method removed from HO::class
0.06 - 2012-05-07
* more tests
* rw array accessors can now shift, pop and some splicing
* fixed a bug in HO::abstract
0.05
* first public version
0.4 2009-07-22
* always store the base method in the object