Tablesorter plugin - not sorting numbers correctly
I have a table with a couple hundred rows and 5 columns. The first and last columns are numeric with only positive integers in them. When I try to sort the last column it seems to be sorting the numbers in "ASCIIbetical" order rather than actual numeric order. For example, when I sort by the last column it is sorting the numbers in this order which is not correct/expected behavior:
0
0
1
1
14
14
14
15
15
15
16
16
16
17
17
17
17
2
2
2
2
21
21
21
From that small subset of the data you can see how the sort order is incorrect. I have tried to step through the code in Firebug to figure out what it's doing but it seems like it's using the correct 'sortNumeric' comparator function on the data so I have no idea what's going on.