Merge pull request #2394 from ugexe/add-kernel-hostname

Document $*KERNEL.hostname

Author: ugexe

doc/Type/Kernel.pod6

@@ -61,6 +61,12 @@ Returns a C<Str> type object if the "desc" could not be established.
 Instance method returning the hardware information of the Kernel object.  Dies
 if the hardware information could not be established.
 
+=head2 method hostname
+
+    method hostname(--> Str)
+
+Instance method returning the hostname of the Kernel object.
+
 =head2 method name
 
     method name(--> Str)