Add some links

Author: moritz

lib/objects.pod

@@ -56,7 +56,7 @@ You can ask any object for its type object by calling the C<WHAT> method
 
     my $int-type-obj = 1.WHAT;
 
-Type objects (other than C<Mu>) can be compared for equality with the
+Type objects (other than L<Mu>) can be compared for equality with the
 C<===> identity operator:
 
     sub f(Int $x) {
@@ -472,8 +472,7 @@ standard C<ClassHOW> for class-based objects offers these facilities:
 
 Returns a list of public methods available on the class (which includes
 methods from superclasses and roles). By default this stops at the classes
-C<Cool>, C<Any> or C<Mu>; to really get all methods, use the C<:all> adverb.
-
+L<Cool>, L<Any> or L<Mu>; to really get all methods, use the C<:all> adverb.
 
     class A {
         method x() { };