Push lib into load-path
README: How to run the tests.
Fix some warnings.

"warning: `*' interpreted as argument prefix"
Require set to prevent test failure
Merge pull request #3 from teoljungberg/patch-1

Make tests individually runnable.

Running "rake" has "set" required and the load path set up correctly, but that is not the case when you run individual test files with "ruby spec/some_spec.rb".
Whitespace, quote style.
README: Contributors list.