Reorganize and sort config options, document altInputClass | resolves #139
Reorganize and sort config options, document altInputClass | resolves #139

adhoc-gti/flatpickr,SchipholRedesign/flatpickr,chmln/flatpickr,chmln/flatpickr,SchipholRedesign/flatpickr,sylvaingi/flatpickr,adhoc-gti/flatpickr