title: Difference between hamcrest-library Matchers and hamcrest-core CoreMatchers
body: <p>It looks like the hamcrest <code>org.hamcrest.Matchers</code> class is very similar to <code>org.hamcrest.CoreMatchers</code> (though it looks like <code>Matchers</code> has more). Why would I choose to use <code>CoreMatchers</code> (other than it looks like the class is slightly smaller), and why are these two classes so similar?</p>