PURPOSE
Checks that the module loads; that the iterator class can be instantiated; and that an iterator object can do the following methods:
nextcurrentnext_indicescurrent_indices
AUTHOR
Toby Inkster <tobyink@cpan.org>.
COPYRIGHT AND LICENCE
This software is copyright (c) 2012 by Toby Inkster.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.