Add isBaby and setBaby to ageable watcher

src/me/libraryaddict/disguise/disguisetypes/watchers/AgeableWatcher.java

@@ -9,12 +9,20 @@ public class AgeableWatcher extends LivingWatcher {
     }
 
     public boolean isAdult() {
+        return !isBaby();
+    }
+
+    public boolean isBaby() {
         return (Integer) getValue(12, 0) >= 0;
     }
 
-    public void setAdult(boolean isAdult) {
-        setValue(12, isAdult ? 0 : -24000);
+    public void setBaby(boolean isBaby) {
+        setValue(12, isBaby ? 0 : -24000);
         sendData(12);
     }
 
+    public void setAdult(boolean isAdult) {
+        setBaby(!isAdult);
+    }
+
 }