(1) sensitivity correction was divided rather than multipled to the output file
(2) changes in coi-correction - switch to coi-area of 415pix^2 and classical coi-formula.
change coincidence loss correction to 'classic' coi-formula with coi area of 415pix^2.
also changed the averaging of the coi-effect from 26 to 29 pixels (3 physical pixels)
to correct for the MOD8 variation.