scm checkins which happen to produce plus sign after base64_encode get decoded
as garbage as plus sign in url means space. and then the data can't be decoded
back to original string.

$ php -r 'echo base64_encode("pood >qwertyuiopadsfzkq1"), "\n";'
cG9vZCA+cXdlcnR5dWlvcGFkc2Z6a3Ex
$ php -r 'echo base64_decode("cG9vZCA+cXdlcnR5dWlvcGFkc2Z6a3Ex"), "\n";'
pood >qwertyuiopadsfzkq1
$ php -r 'echo base64_decode("cG9vZCA cXdlcnR5dWlvcGFkc2Z6a3Ex"), "\n";'
pood ]Ù\]Z[ÜYÙÜL

--- eventum-20060318/misc/scm/process_cvs_commits.php~	2006-03-24 17:57:19.000000000 +0200
+++ eventum-20060318/misc/scm/process_cvs_commits.php	2006-03-24 17:57:01.000000000 +0200
@@ -71,18 +72,18 @@
 
 if (count($matches) > 1) {
     // need to encode all of the url arguments
-    $issue_id = base64_encode($matches[1]);
-    $commit_msg = base64_encode($commit_msg);
-    $cvs_module = base64_encode($cvs_module);
-    $username = base64_encode($username);
+    $issue_id = rawurlencode($matches[1]);
+    $commit_msg = rawurlencode($commit_msg);
+    $cvs_module = rawurlencode($cvs_module);
+    $username = rawurlencode($username);
 
     // build the GET url to use
     $ping_url = $eventum_relative_url . "scm_ping.php?module=$cvs_module&username=$username&commit_msg=$commit_msg";
     $ping_url .= "&issue[]=$issue_id";
     for ($i = 0; $i < count($modified_files); $i++) {
-        $ping_url .= "&files[$i]=" . base64_encode($modified_files[$i]['filename']);
-        $ping_url .= "&old_versions[$i]=" . base64_encode($modified_files[$i]['old_revision']);
-        $ping_url .= "&new_versions[$i]=" . base64_encode($modified_files[$i]['new_revision']);
+        $ping_url .= "&files[$i]=" . rawurlencode($modified_files[$i]['filename']);
+        $ping_url .= "&old_versions[$i]=" . rawurlencode($modified_files[$i]['old_revision']);
+        $ping_url .= "&new_versions[$i]=" . rawurlencode($modified_files[$i]['new_revision']);
     }
 
     $fp = fsockopen($eventum_domain, $eventum_port, $errno, $errstr, 30);
--- eventum-20060318/scm_ping.php~	2006-03-24 17:57:20.000000000 +0200
+++ eventum-20060318/scm_ping.php	2006-03-24 17:57:01.000000000 +0200
@@ -33,8 +33,6 @@
 include_once(APP_INC_PATH . "class.workflow.php");
 include_once(APP_INC_PATH . "db_access.php");
 
-$HTTP_GET_VARS = Misc::array_map_deep($HTTP_GET_VARS, 'base64_decode');
-
 foreach ($HTTP_GET_VARS['issue'] as $issue_id) {
     $files = array();
     for ($y = 0; $y < count($HTTP_GET_VARS['files']); $y++) {