Index: moodle/mod/lamslesson/userinfo.php
===================================================================
diff -u -r458edcd7121d8676f627e7f74a06952a54423bf6 -rbe217cef0f67637733d22aaa2e77c367deb9c8af
--- moodle/mod/lamslesson/userinfo.php	(.../userinfo.php)	(revision 458edcd7121d8676f627e7f74a06952a54423bf6)
+++ moodle/mod/lamslesson/userinfo.php	(.../userinfo.php)	(revision be217cef0f67637733d22aaa2e77c367deb9c8af)
@@ -17,8 +17,8 @@
     global $DB;
 
     $hs = required_param('hs', PARAM_ALPHANUM);
-    $ts = required_param('ts', PARAM_RAW);
-    $un = required_param('un', PARAM_ALPHANUM);
+    $ts = required_param('ts', PARAM_RAW_TRIMMED);
+    $un = required_param('un', PARAM_RAW_TRIMMED);    
     $lsid = optional_param('lsid', '', PARAM_INT);
 
     if(!isset($CFG->lamslesson_serverid)||!isset($CFG->lamslesson_serverkey))
Index: moodle/mod/lamslesson/version.php
===================================================================
diff -u -r46235ac76f73eafcdfd750f6aa682ccd2d889a1e -rbe217cef0f67637733d22aaa2e77c367deb9c8af
--- moodle/mod/lamslesson/version.php	(.../version.php)	(revision 46235ac76f73eafcdfd750f6aa682ccd2d889a1e)
+++ moodle/mod/lamslesson/version.php	(.../version.php)	(revision be217cef0f67637733d22aaa2e77c367deb9c8af)
@@ -29,6 +29,6 @@
 
 defined('MOODLE_INTERNAL') || die();
 
-$module->version  = 2012020500;    // If version == 0 then module will not be installed
+$module->version  = 2012032200;    // If version == 0 then module will not be installed
 $module->requires = 2010112400;  // Requires this Moodle version
 $module->cron     = 0;           // Period for cron to check this module (secs)