Implement Cloneable for all primitive wrappers

imgui-binding/src/main/java/imgui/ImBool.java

@@ -2,12 +2,16 @@ package imgui;
 
 import java.util.Objects;
 
-public final class ImBool {
+public final class ImBool implements Cloneable {
     final boolean[] data = new boolean[]{false};
 
     public ImBool() {
     }
 
+    public ImBool(final ImBool imBool) {
+        this.data[0] = imBool.data[0];
+    }
+
     public ImBool(final boolean value) {
         data[0] = value;
     }
@@ -41,4 +45,9 @@ public final class ImBool {
     public int hashCode() {
         return Objects.hash(data[0]);
     }
+
+    @Override
+    public ImBool clone() {
+        return new ImBool(this);
+    }
 }