diff --git a/.classpath b/.classpath
index ff637a9..c2ce8e8 100644
--- a/.classpath
+++ b/.classpath
@@ -8,7 +8,6 @@
 	<classpathentry kind="lib" path="lib/log4j-1.2.17.jar"/>
 	<classpathentry kind="lib" path="lib/slf4j-api-1.7.5.jar"/>
 	<classpathentry kind="lib" path="lib/slf4j-log4j12-1.7.5.jar"/>
-	<classpathentry kind="lib" path="lib/devinsy-utils-0.2.0.jar"/>
 	<classpathentry kind="lib" path="lib/commons-codec-1.8.jar" sourcepath="lib/commons-codec-1.8-sources.jar"/>
 	<classpathentry kind="con" path="org.eclipse.jst.j2ee.internal.module.container"/>
 	<classpathentry kind="lib" path="lib/commons-fileupload-1.3.jar" sourcepath="lib/commons-fileupload-1.3-sources.jar"/>
@@ -17,5 +16,7 @@
 			<attribute name="owner.project.facets" value="java"/>
 		</attributes>
 	</classpathentry>
+	<classpathentry kind="lib" path="lib/devinsy-utils-0.3.1-sources.zip"/>
+	<classpathentry kind="lib" path="lib/devinsy-utils-0.3.1.jar"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/lib/devinsy-utils-0.2.0-sources.zip b/lib/devinsy-utils-0.2.0-sources.zip
deleted file mode 100644
index a05a454..0000000
Binary files a/lib/devinsy-utils-0.2.0-sources.zip and /dev/null differ
diff --git a/lib/devinsy-utils-0.2.0.jar b/lib/devinsy-utils-0.2.0.jar
deleted file mode 100644
index a6671e5..0000000
Binary files a/lib/devinsy-utils-0.2.0.jar and /dev/null differ
diff --git a/lib/devinsy-utils-0.3.1-sources.zip b/lib/devinsy-utils-0.3.1-sources.zip
new file mode 100644
index 0000000..45f92fe
Binary files /dev/null and b/lib/devinsy-utils-0.3.1-sources.zip differ
diff --git a/lib/devinsy-utils-0.3.1.jar b/lib/devinsy-utils-0.3.1.jar
new file mode 100644
index 0000000..13bb8cf
Binary files /dev/null and b/lib/devinsy-utils-0.3.1.jar differ
diff --git a/src/fr/devinsy/kiss4web/KissDispatcher.java b/src/fr/devinsy/kiss4web/KissDispatcher.java
index 3bf73e1..b8fffbd 100755
--- a/src/fr/devinsy/kiss4web/KissDispatcher.java
+++ b/src/fr/devinsy/kiss4web/KissDispatcher.java
@@ -34,7 +34,7 @@ import javax.servlet.http.HttpServletResponse;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import fr.devinsy.util.StringList;
+import fr.devinsy.util.strings.StringList;
 
 /**
  * Rename KissDispatcher?
diff --git a/src/fr/devinsy/kiss4web/ServletTools.java b/src/fr/devinsy/kiss4web/ServletTools.java
index a3534e0..35bf54c 100644
--- a/src/fr/devinsy/kiss4web/ServletTools.java
+++ b/src/fr/devinsy/kiss4web/ServletTools.java
@@ -22,7 +22,7 @@ import java.util.Enumeration;
 
 import javax.servlet.http.HttpServletRequest;
 
-import fr.devinsy.util.StringList;
+import fr.devinsy.util.strings.StringList;
 
 /**
  *
diff --git a/src/fr/devinsy/kiss4web/SimpleSecurityAgent.java b/src/fr/devinsy/kiss4web/SimpleSecurityAgent.java
index 766eab2..d28cb09 100644
--- a/src/fr/devinsy/kiss4web/SimpleSecurityAgent.java
+++ b/src/fr/devinsy/kiss4web/SimpleSecurityAgent.java
@@ -25,7 +25,7 @@ import org.apache.commons.codec.digest.DigestUtils;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import fr.devinsy.util.StringList;
+import fr.devinsy.util.strings.StringList;
 
 /**
  *