Broadened the setting logic for user and sketch id

Before these two variables would be set only if both of them were passed in the request, now they are independently set.

Author: spiliot

Symfony/src/Codebender/CompilerBundle/Handler/CompilerHandler.php

@@ -117,7 +117,6 @@ function main($request, $compiler_config)
 
         // Log the names of the project files and the libraries used in it.
         if ($format != "autocomplete") {
-            $user_id = $sketch_id = "null";
             $req_elements = array("Files: ");
 
             foreach ($request["files"] as $file) {
@@ -136,9 +135,14 @@ function main($request, $compiler_config)
                         $req_elements[] = $libname . "/" . $libfile["filename"];
                 }
             }
-
-            if (isset($request['userId']) && isset($request['projectId'])) {
+            
+            $user_id = "null";
+            if (isset($request['userId'])) {
                 $user_id = $request['userId'];
+            }
+            
+            $sketch_id = "null";
+            if (isset($request['projectId'])) {
                 $sketch_id = $request['projectId'];
             }