Changes

<tr><td><b>Task Name</b></td><td><b>Progress</b></td><td><b>Tested</b>(F,C,S,I)</td><td><b>Documented</b></td></tr>

<tr><td>mag</td><td>5/5</td><td>1/4(F)</td><td>2/2</td></tr>

<tr><td>subset</td><td>1/5</td><td>0/4</td><td>2/2</td></tr>