Added method to retrieve the list of users

Fixes #34

Author: HurryNair

bin/cli.py

@@ -821,6 +821,24 @@ def create(
             print("User already exists.")
             sys.exit(1)
 
+    def list(
+        self, output = "table", columns = User.default_display_fields,
+    ):
+        """Retrieve the list of Users
+        :param output: how to display the output [text|table|json]
+        """
+        if output == "table":
+            print(get_client().user.list().tabulate(columns=columns))
+        elif output == "text":
+            print(
+                get_client()
+                .user.list()
+                .tabulate(
+                    columns=columns, style="plain", display_headers=False,
+                )
+            )
+        else:
+            print(get_client().user.list().json)
         # raise NotImplementedError