getMethod(String, CtTypeReference...) doesn't work with generics

[GerardPaligot]

With this snippet:

public <T> void method1(T t) {
}

public <T extends String> void method1(T t) {
}

If I call getMethod("method1", int.class) on a CtType, it returns the wrong method.

[GerardPaligot]

Make this one first: #597