hasFile(): Return file object on success instead of Boolean

Author: sidneys

lib/pbxProject.js

@@ -926,7 +926,7 @@ pbxProject.prototype.hasFile = function(filePath) {
     for (id in files) {
         file = files[id];
         if (file.path == filePath || file.path == ('"' + filePath + '"')) {
-            return true;
+            return file;
         }
     }