{{$NEXT}}
+0.48 2012-12-23 18:08:04 PST-0800
+ - documentation and tests amended to prefer usage of 'trait' over 'metaclass'
+ as much as possible
+ - print_usage_text() exposed as a public method, to make it easier for
+ consuming classes to modify the behaviour when usage text is printed
+
0.47 2012-08-30 16:37:59 PDT-0700
- re-release to remove double $VERSION declarations