Can no longer have a helper that begins with "include"

```
In EJS 0.6.1, I had two view helpers, include_css and include_js. However, upon 
upgrading to 0.8.2, these names caused errors. It seems as if having a view 
helper that begins with the string "include" immediately triggers partial logic?
```

Original issue reported on code.google.com by `ljh...@gmail.com` on 21 Aug 2012 at 5:24
