Display % sign when using help

[patricio-astudillo]

change % to %%, otherwise the help function crashes

SegCaps/main.py

Line 127 in c6b3f9e

parser.add_argument('--subsamp', type=int, default=-1,

parser.add_argument('--subsamp', type=int, default=-1,
help='Number of slices to skip when forming 3D samples for training. Enter -1 for random '
'subsampling up to 5% of total slices.')
->
parser.add_argument('--subsamp', type=int, default=-1,
help='Number of slices to skip when forming 3D samples for training. Enter -1 for random '
'subsampling up to 5%% of total slices.')

[lalonderodney]

Thank you. I will be sure to fix this if and when I update this repo.