pto_lensstack: unrecognized option '--version'

pto_lensstack: modify assigned lenses and stack in pto files pto_lensstack version 2017.0.0.eac5e8cc546e Usage: pto_lensstack [options] --switches imglist input.pto -o, --output=file.pto Output Hugin PTO file. Default: <filename>_lens.pto -h, --help Shows this help --new-lens imglist Assign to given images a new lens number --new-stack imglist Assign to given images a new stack number Examples: --new-lens i2 Image 2 gets a new lens --new-stack i4,i5 Images 4 and 5 get a new stack --change-lens imglist Assign to given images a new lens number --change-stack imglist Assign to given images a new stack number Examples: --change-lens i2=0 Image 2 is assigned lens number 0 --change-stack i4=0,i5=1 Image 4 is assigned to stack 0, image 5 to stack number 1