allow requirements to point to urls

ModuleUpdate.py

@@ -35,7 +35,14 @@ def update(yes = False, force = False):
             if not os.path.exists(path):
                 path = os.path.join(os.path.dirname(__file__), req_file)
             with open(path) as requirementsfile:
-                requirements = pkg_resources.parse_requirements(requirementsfile)
+                for line in requirementsfile:
+                    if line.startswith('https://'):
+                        # extract name and version from url
+                        url = line.split(';')[0]
+                        wheel = line.split('/')[-1]
+                        name, version, _ = wheel.split('-',2)
+                        line = f'{name}=={version}'
+                    requirements = pkg_resources.parse_requirements(line)
                     for requirement in requirements:
                         requirement = str(requirement)
                         try: