diff --git a/.classpath b/.classpath
index a9949e4..01b2e39 100644
--- a/.classpath
+++ b/.classpath
@@ -2,18 +2,18 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="test"/>
-	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>
-	<classpathentry kind="lib" path="lib/Logs/log4j-1.2.17.jar" sourcepath="lib/Logs/log4j-1.2.17-source.zip"/>
-	<classpathentry kind="lib" path="lib/UnitTesting/hamcrest-core-1.3.jar" sourcepath="lib/UnitTesting/hamcrest-core-1.3-sources.jar"/>
-	<classpathentry kind="lib" path="lib/Logs/slf4j-api-1.7.25.jar" sourcepath="lib/Logs/slf4j-api-1.7.25-sources.jar"/>
-	<classpathentry kind="lib" path="lib/Logs/slf4j-log4j12-1.7.25.jar" sourcepath="lib/Logs/slf4j-log4j12-1.7.25-sources.jar"/>
-	<classpathentry kind="lib" path="lib/UnitTesting/junit-4.12.jar" sourcepath="lib/UnitTesting/junit-4.12-sources.jar"/>
-	<classpathentry kind="lib" path="lib/commons-lang3-3.7.jar" sourcepath="lib/commons-lang3-3.7-sources.jar"/>
 	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
 		<attributes>
 			<attribute name="module" value="true"/>
 			<attribute name="owner.project.facets" value="java"/>
 		</attributes>
 	</classpathentry>
+	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>
+	<classpathentry kind="lib" path="lib/Logs/log4j-1.2.17.jar" sourcepath="lib/Logs/log4j-1.2.17-source.zip"/>
+	<classpathentry kind="lib" path="lib/UnitTesting/hamcrest-core-1.3.jar" sourcepath="lib/UnitTesting/hamcrest-core-1.3-sources.jar"/>
+	<classpathentry kind="lib" path="lib/Logs/slf4j-api-1.7.25.jar" sourcepath="lib/Logs/slf4j-api-1.7.25-sources.jar"/>
+	<classpathentry kind="lib" path="lib/Logs/slf4j-log4j12-1.7.25.jar" sourcepath="lib/Logs/slf4j-log4j12-1.7.25-sources.jar"/>
+	<classpathentry kind="lib" path="lib/UnitTesting/junit-4.12.jar" sourcepath="lib/UnitTesting/junit-4.12-sources.jar"/>
+	<classpathentry kind="lib" path="lib/commons-lang3-3.12.0.jar" sourcepath="lib/commons-lang3-3.12.0-sources.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/lib/commons-lang3-3.12.0-sources.jar b/lib/commons-lang3-3.12.0-sources.jar
new file mode 100644
index 0000000..bad8863
Binary files /dev/null and b/lib/commons-lang3-3.12.0-sources.jar differ
diff --git a/lib/commons-lang3-3.12.0.jar b/lib/commons-lang3-3.12.0.jar
new file mode 100644
index 0000000..4d434a2
Binary files /dev/null and b/lib/commons-lang3-3.12.0.jar differ
diff --git a/lib/commons-lang3-3.7-sources.jar b/lib/commons-lang3-3.7-sources.jar
deleted file mode 100644
index a83c661..0000000
Binary files a/lib/commons-lang3-3.7-sources.jar and /dev/null differ
diff --git a/lib/commons-lang3-3.7.jar b/lib/commons-lang3-3.7.jar
deleted file mode 100644
index f37ded6..0000000
Binary files a/lib/commons-lang3-3.7.jar and /dev/null differ