BUG-FIX: the roi argument in align2D and estimate_shift2D was taking (left, right, top, bottom) instead of the stated (top, bottom, left, right). Now it takes (left, right, top, bottom) as both ints (indices) and floats (values).
Merge pull request #88 from francisco-dlp/FIX-align2D

BUG-FIX: the roi argument in align2D and estimate_shift2D was taking (le...