Created some unit tests for idgenrator package.

src/opensesim/util/idgenerator/Id.java

@@ -30,6 +30,7 @@ import java.util.Objects;
 /**
  *
  * @author 7u83 <7u83@mail.ru>
+ * @param <T>
  */
 public class Id<T extends Comparable> implements Comparable<Id> {
 
@@ -61,7 +62,7 @@ public class Id<T extends Comparable> implements Comparable<Id> {
 
     @Override
     public int compareTo(Id o) {
-        return value.compareTo(o);
+        return value.compareTo(o.value);
     }
 
 }