factored out dump_as_binary
minor indention/comments fixes

and removal of unused comment code
better naming for output of read_dump_rpf
added forgotten newline, removed some includes
added some debug information about currently viewed pixel

also corrected precision to match
Results are now reproducable!

Random generator is not per instance, but per pixel
took some smart debug statements from branch

and debugging is always single threaded now
made it easier to set quality, now with string passed along
Merge branch 'master' into per_channel_alpha