options::option_set style fix.
options::wrapped_option style fix.
options: wrapped_option -> wrapper::wrapped_option.
detail::one_step_iterator refactoring.
options::wrapper::wrapped_option refactoring.
wrapper::bool_ test case.
options::wrapper::bitmask implementation.
options::wrapper::c_function implementation.
options::wrapper::csv_list implementation.
options::wrapper::bitmask integration with boost::numeric_cast().
options::wrapper::bitmask bug fixes.
options::wrapper::duration implementation.