diff --git a/.classpath b/.classpath
index fc44425..f998da1 100644
--- a/.classpath
+++ b/.classpath
@@ -2,20 +2,21 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
 	<classpathentry kind="src" path="test"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
+		<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/Logs/log4j-1.2.17-source.zip"/>
-	<classpathentry kind="lib" path="lib/commons-io-2.6.jar" sourcepath="lib/commons-io-2.6-sources.jar"/>
 	<classpathentry kind="lib" path="lib/commons-lang3-3.7.jar" sourcepath="lib/commons-lang3-3.7-sources.jar"/>
 	<classpathentry kind="lib" path="lib/devinsy-cmdexec-0.8.1.jar" sourcepath="lib/devinsy-cmdexec-0.8.1-sources.zip"/>
-	<classpathentry kind="lib" path="lib/devinsy-strings-0.8.2.jar" sourcepath="lib/devinsy-strings-0.8.2-sources.zip"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-11">
-		<attributes>
-			<attribute name="owner.project.facets" value="java"/>
-		</attributes>
-	</classpathentry>
+	<classpathentry kind="lib" path="lib/devinsy-strings-0.11.0.jar" sourcepath="lib/devinsy-strings-0.11.0-sources.zip"/>
+	<classpathentry kind="lib" path="lib/commons-io-2.7.jar" sourcepath="lib/commons-io-2.7-sources.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/README.md b/README.md
index 1bd5a04..2ea5143 100644
--- a/README.md
+++ b/README.md
@@ -11,8 +11,8 @@ This software is released under the GNU LGPL.
 
 ## Requirements
 
-- Java 1.6
-- Eclipse Kepler 
+- Java 11
+- Eclipse 4.16 (202006).
 
 ## Context
 Several useful Java classes.
diff --git a/lib/commons-io-2.6-sources.jar b/lib/commons-io-2.6-sources.jar
deleted file mode 100644
index 231cbe4..0000000
Binary files a/lib/commons-io-2.6-sources.jar and /dev/null differ
diff --git a/lib/commons-io-2.6.jar b/lib/commons-io-2.6.jar
deleted file mode 100644
index 00556b1..0000000
Binary files a/lib/commons-io-2.6.jar and /dev/null differ
diff --git a/lib/commons-io-2.7-sources.jar b/lib/commons-io-2.7-sources.jar
new file mode 100644
index 0000000..d019235
Binary files /dev/null and b/lib/commons-io-2.7-sources.jar differ
diff --git a/lib/commons-io-2.7.jar b/lib/commons-io-2.7.jar
new file mode 100644
index 0000000..5889458
Binary files /dev/null and b/lib/commons-io-2.7.jar differ
diff --git a/lib/devinsy-strings-0.11.0-sources.zip b/lib/devinsy-strings-0.11.0-sources.zip
new file mode 100644
index 0000000..eb31276
Binary files /dev/null and b/lib/devinsy-strings-0.11.0-sources.zip differ
diff --git a/lib/devinsy-strings-0.11.0.jar b/lib/devinsy-strings-0.11.0.jar
new file mode 100644
index 0000000..1926831
Binary files /dev/null and b/lib/devinsy-strings-0.11.0.jar differ
diff --git a/lib/devinsy-strings-0.8.2-sources.zip b/lib/devinsy-strings-0.8.2-sources.zip
deleted file mode 100644
index 815e0b8..0000000
Binary files a/lib/devinsy-strings-0.8.2-sources.zip and /dev/null differ
diff --git a/lib/devinsy-strings-0.8.2.jar b/lib/devinsy-strings-0.8.2.jar
deleted file mode 100644
index 1e95075..0000000
Binary files a/lib/devinsy-strings-0.8.2.jar and /dev/null differ