Fixing <label> position so clicking on the name activates the checkbox
Adding option to specify "natural_sort" to use natural sort on taxonomies

Useful for when numbers are part of a taxonomy and you want to have 1,
2, 3, 4, 5, 6, 7, 8, 9, 10 instead of 1, 10, 2, 3, 4, 5, 6, 7, 8, 9.