write and read pickle compatibility with py3
write and read pickle compatibility with py3

file object doesn’t exist anymore in py3, so I fixed it with a “with
open()”, but than it had to be binary so the load houseprint also had
to load binary…

MatteusDeloge/opengrid,MatteusDeloge/opengrid,MatteusDeloge/opengrid,WolfBerwouts/opengrid,JrtPec/opengrid,JrtPec/opengrid,WolfBerwouts/opengrid