ajaxorg/ace — pull request #1868 by adamjimenez (2014-03-18 16:01:47+00:00)
Title: missing bitwise xor function

Fixes error:
```
[object Object] has no method 'Node_Expr_BitwiseXor'
```

Which results from using xor e.g:
```
error_reporting(E_ALL ^ E_NOTICE);

also reported to phpjs project:
https://github.com/niklasvh/php.js/pull/48