implementation of progress callback during unzip, detect .hdr in .zip
implementation of progress callback during unzip, detect .hdr in .zip

markraz/vtp,nakijun/vtp,seanisom/vtp,markraz/vtp,markraz/vtp,seanisom/vtp,nakijun/vtp,nakijun/vtp,nakijun/vtp,markraz/vtp,seanisom/vtp,seanisom/vtp,markraz/vtp,seanisom/vtp,nakijun/vtp