Collection becomes a module, to be mixed into concrete collections based
on where the data to be loaded sits in suspended animation.
Fixing docs link.
Tidying gemspec.
We're prerelease right now.
Starting work on making paths into URIs, to make management easier.
Fixing a couple of tests. :-)
Adding in logger and environment to top level module.
Remove tests for deprecated calls.

TableObject#path is being deprecated in favor of TableObject#url, so the
tests now use the non-deprecated method.
Remove duplicate test.

TableObject#path caches at the mixin level. We test it there. We don't
need to test it here.