Challenge 4 done

webgoat-container/src/main/java/org/owasp/webgoat/session/DatabaseUtilities.java

@@ -38,6 +38,7 @@ import java.util.Map;
  * @version $Id: $Id
  */
 //TODO: class we need to refactor to new structure, we can put the connection in the current session of the user
+	// start using jdbc template
 public class DatabaseUtilities
 {
 

webgoat-container/src/main/resources/db/changelog/db.changelog-master.xml

@@ -6,9 +6,7 @@
 
 <changeSet author="WebGoat" id="init_schema">
         <createTable tableName="web_goat_user">
-            <column name="username" type="varchar(32)">
-                <constraints unique="true"/>
-            </column>
+            <column name="username" type="varchar(32)"/>
             <column name="password" type="varchar(32)"/>
             <column name="role" type="varchar(32)"/>
         </createTable>