make database public to check it before saving

Author: madhephaestus

src/main/java/eu/mihosoft/vrl/v3d/parametrics/CSGDatabaseInstance.java

@@ -200,7 +200,7 @@ public void delete(String key) {
 		// }
 	}
 
-	private ConcurrentHashMap<String, Parameter> getDatabase() {
+	public ConcurrentHashMap<String, Parameter> getDatabase() {
 		if (database == null) {
 
 			String jsonString;