downgrade Java dependency to 1.8 for maximum compatibility

pom.xml

@@ -14,7 +14,7 @@
 
     <groupId>com.debacharya</groupId>
     <artifactId>nsgaii</artifactId>
-    <version>3.0.1</version>
+    <version>3.0.2</version>
     <packaging>jar</packaging>
 
     <inceptionYear>2019</inceptionYear>
@@ -153,7 +153,7 @@
 
     <properties>
         <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
-        <maven.compiler.source>13</maven.compiler.source>
-        <maven.compiler.target>13</maven.compiler.target>
+        <maven.compiler.source>1.8</maven.compiler.source>
+        <maven.compiler.target>1.8</maven.compiler.target>
     </properties>
-</project>
+</project>

src/main/java/com/debacharya/nsgaii/Configuration.java

@@ -29,6 +29,14 @@
 
 import java.util.List;
 
+/**
+ * The Configuration class is used to setup the runtime settings of the NSGA-II algorithm.
+ * Since a lot of the settings within the algorithm can be changed, this class manages them all.
+ * An instance of this class is needed to be setup before creating an instance of
+ * NSGA2 class or running the algorithm. Changing settings of an instance of a Configuration class between
+ * runs will also reflect immediately on the result. This means that, if required (but almost rarely),
+ * the configuration of the algorithm within the same run can be changed dynamically.
+ */
 public class Configuration {
 
 	public static final String CONFIGURATION_NOT_SETUP = "The NSGA-II configuration object is not setup properly!";