Trying to remove a monad transformer step
Won a little bit speed, not much though
Sometimes, winning 10% is so easy, missed the Int32 specialization, which is the _MAIN_ case.
Droping StateT can result in huge perforance improvement, no get/unget, strictification of the reading index, inner loop only in ST
Fixing bug randomly appearing in GIF reading
Preparing bmp benching
Optimizing BMP writing
HDR writing optimisation
Removing old BoolWriter infrastructure
More bench