Lower minimal required CMake version from 3.6 to 3.2
Lower minimal required CMake version from 3.6 to 3.2

Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber,Bionus/imgbrd-grabber