Hi Andraz,
I'm using your latest version, and when I download the activity completion report (.csv) instead of showing 1s or 0s, it shows & #x2713; instead of 1 and blank instead of 0. It shows the check mark on the html report for completers.
![image](https://cloud.githubusercontent.com/assets/8148238/21790626/7cf26fca-d692-11e6-9ef3-bc182a027b9d.png)
![image](https://cloud.githubusercontent.com/assets/8148238/21790590/418e2a78-d692-11e6-962a-dc672ab1f3b4.png)
Thanks!