Fix the hierarchy traversal order

Ensure that interfaces follow superclasses and superclasses do not
preced subclasses.

Fixes #38.

core/src/main/kotlin/com/toasttab/expediter/types/InspectedTypes.kt

@@ -80,8 +80,8 @@ class InspectedTypes private constructor(
             val superTypes = mutableSetOf<OptionalType>()
             val superTypeNames = mutableListOf<String>()
 
-            superTypeNames.addAll(cls.interfaces)
             cls.superName?.let { superTypeNames.add(it) }
+            superTypeNames.addAll(cls.interfaces)
 
             for (s in superTypeNames) {
                 val l = lookup(s)

tests/src/main/java/com/toasttab/expediter/test/caller/CallerNegative.java

@@ -23,6 +23,12 @@ void arrayCloneIsOk() {
         array.clone();
     }
 
+    void subclassCloneIsOk() throws Exception {
+        Clones.C xx = new Clones.C();
+
+        xx.clone();
+    }
+
     void arrayLengthIsOk() {
         int[] array = new int[0];
         int i = array.length;

tests/src/main/java/com/toasttab/expediter/test/caller/Clones.java

@@ -0,0 +1,22 @@
+package com.toasttab.expediter.test.caller;
+
+public class Clones {
+    static class A implements Cloneable {
+        @Override
+        public Object clone() throws CloneNotSupportedException {
+            return super.clone();
+        }
+    }
+
+    static class B extends A {
+
+    }
+
+    static class C extends B implements D {
+
+    }
+
+    static interface D {
+
+    }
+}