diff --git a/.classpath b/.classpath
index 5e0917c..fdaa8ae 100644
--- a/.classpath
+++ b/.classpath
@@ -10,19 +10,12 @@
 			<attribute name="owner.project.facets" value="java"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="lib" path="lib/Logs/log4j-1.2.17-source.zip"/>
-	<classpathentry kind="lib" path="lib/Logs/log4j-1.2.17.jar"/>
-	<classpathentry kind="lib" path="lib/Logs/slf4j-api-1.7.5-sources.jar"/>
-	<classpathentry kind="lib" path="lib/Logs/slf4j-api-1.7.5.jar"/>
-	<classpathentry kind="lib" path="lib/Logs/slf4j-log4j12-1.7.5-sources.jar"/>
-	<classpathentry kind="lib" path="lib/Logs/slf4j-log4j12-1.7.5.jar"/>
-	<classpathentry kind="lib" path="lib/UnitTesting/hamcrest-core-1.3-sources.jar"/>
-	<classpathentry kind="lib" path="lib/UnitTesting/hamcrest-core-1.3.jar"/>
-	<classpathentry kind="lib" path="lib/UnitTesting/junit-4.11-sources.jar"/>
-	<classpathentry kind="lib" path="lib/UnitTesting/junit-4.11.jar"/>
-	<classpathentry kind="lib" path="lib/devinsy-strings-0.4.0-sources.zip"/>
-	<classpathentry kind="lib" path="lib/devinsy-strings-0.4.0.jar"/>
-	<classpathentry kind="lib" path="lib/devinsy-xml-0.4.0-sources.zip"/>
-	<classpathentry kind="lib" path="lib/devinsy-xml-0.4.0.jar"/>
+	<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/Logs/slf4j-api-1.7.5.jar" sourcepath="lib/Logs/slf4j-api-1.7.5-sources.jar"/>
+	<classpathentry kind="lib" path="lib/Logs/slf4j-log4j12-1.7.5.jar" sourcepath="lib/Logs/slf4j-log4j12-1.7.5-sources.jar"/>
+	<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/UnitTesting/junit-4.11.jar" sourcepath="lib/UnitTesting/junit-4.11-sources.jar"/>
+	<classpathentry kind="lib" path="lib/devinsy-strings-0.4.0.jar" sourcepath="lib/devinsy-xml-0.4.0-sources.zip"/>
+	<classpathentry kind="lib" path="lib/devinsy-xml-0.4.0.jar" sourcepath="lib/devinsy-xml-0.4.0-sources.zip"/>
 	<classpathentry kind="output" path="bin"/>
 </classpath>
diff --git a/lib/README b/lib/README
index 26ec953..e8cb253 100644
--- a/lib/README
+++ b/lib/README
@@ -1,9 +1,16 @@
 Description of used libraries:
-- commons-lang: useful tools (StringUtils...)
-- hamcrest-core: required by junit
-- joda-time: useful DateTime library
-- junit: unit tests API
-- log4j: log API
-- slf4j-api: facade log API
-- slf4j-log4j12: adaptation layer between slf4j and log4j
- 
\ No newline at end of file
+
+- Logs/
+    - log4j             log API
+    - slf4j-api         facade log API
+    - slf4j-log4j12     adaptation layer between slf4j and log4j
+    
+- UnitTesting/
+    - hamcrest-core     required by junit
+    - hsqldb            SQL Database  for unit test.
+    - junit             unit tests API
+
+- other:
+    - commons-codec     digest tools
+    - commons-lang      useful tools (StringUtils...)
+    - JodaTime          useful time library 
\ No newline at end of file