add FUnit::not_ok()
add FUnit::pass()
more better docblocks
add FUnit::not_has()
shorten up a long line
implement FUnit::all_ok()
add example of FUnit::all_ok()
fix bug w/ allowing Traversables in FUnit::all_ok
cleanup/improve README.md
require_once is a good idea
more examples of FUnit::all_ok()