POM Update: Most packages moved to newest version, unused packaged removed

pom.xml

@@ -101,25 +101,34 @@
 	</repositories>
 	
 	<dependencies> 
+		<!-- https://mvnrepository.com/artifact/com.google.guava/guava -->
 		<dependency>
-			<groupId>com.google.guava</groupId>
-			<artifactId>guava</artifactId>
-			<version>18.0</version>
+		    <groupId>com.google.guava</groupId>
+		    <artifactId>guava</artifactId>
+		    <version>31.1-jre</version>
 		</dependency>
+		
+		<!-- https://mvnrepository.com/artifact/javax.xml.bind/jaxb-api -->
 		<dependency>
 		    <groupId>javax.xml.bind</groupId>
 		    <artifactId>jaxb-api</artifactId>
 		    <version>2.3.1</version>
 		</dependency>
+		
+		<!-- https://mvnrepository.com/artifact/gov.nist.math/jama -->
+		<!-- Usage: TemporalDependencyMatrix -->
 		<dependency>
 			<groupId>gov.nist.math</groupId>
 			<artifactId>jama</artifactId>
 			<version>1.0.3</version>
 		</dependency>
+		
+		<!-- https://mvnrepository.com/artifact/org.apache.commons/commons-math3 -->
 	  	<dependency>
 	  		<groupId>org.apache.commons</groupId>
 	  		<artifactId>commons-math3</artifactId>
 	  		<version>3.6.1</version>
 	  	</dependency>
+	  	
   	</dependencies>
 </project>