fix: CompareUtils: type cast

assira/src/main/java/net/ranides/assira/generic/CompareUtils.java

@@ -10,6 +10,7 @@ import java.io.Serializable;
 import java.util.Comparator;
 import java.util.function.Predicate;
 import net.ranides.assira.collection.IntComparator;
+import net.ranides.assira.text.LexicalCast;
 
 
 @SuppressWarnings({
@@ -148,7 +149,7 @@ public final class CompareUtils {
         @SuppressWarnings("unchecked")
         @Override
         public int compare(Comparable a, Comparable b) {
-            return (a == null) ? (b == null ? 0 : -1) : (b==null ? +1 : a.compareTo(b));
+            return (a == null) ? (b == null ? 0 : -1) : (b==null ? +1 : a.compareTo(LexicalCast.cast(b, a.getClass())));
         }
     }