fix: added dependencies for SSL support (#565)

Author: jsam

setup.py

@@ -71,18 +71,23 @@
     'attrs>=18.2.0',
     'click-completion>=0.5.0',
     'click>=6.7',
+    'cryptography>=2.7',
     'cwltool==1.0.20181012180214',
     'environ_config>=18.2.0',
     'filelock>=3.0.0',
     'gitpython>=2.1.8',
     'patool>=1.12',
     'psutil>=5.4.7',
+    'pyasn1>=0.4.5',
     'PyYAML>=3.12',
     'pyld>=1.0.3',
+    'pyOpenSSL>=19.0.0',
     'python-dateutil>=2.6.1',
     'python-editor>=1.0.4',
     'rdflib-jsonld>=0.4.0',
     'requests>=2.21.0',
+    'ndg-httpsclient>=0.5.1',
+    'idna>=2.8',
     'tabulate>=0.7.7',
     'tqdm>=4.31.1',
     'werkzeug>=0.12',