Download CWL tool wrappers

Common Workflow Language (CWL) tool wrappers for pVACseq, pVACfuse, and pVACvector can be downloaded using the pvactools download_cwls command.

usage: pvactools download_cwls [-h] destination_directory

Download pVACtools CWLs for each tool's main pipeline

positional arguments:
  destination_directory
                        Directory for downloading CWLs

optional arguments:
  -h, --help            show this help message and exit