documented disabling ssl verification

Author: jlwalke2

doc/index.rst

@@ -236,6 +236,9 @@ The final method for supplying credentials is also simple and straight-forward:
  - :envvar:`SASCTL_USER_NAME`
  - :envvar:`SASCTL_PASSWORD`
 
+
+
+
 SSL Certificates
 ++++++++++++++++
 
@@ -249,6 +252,13 @@ to accomplish this behavior:
  - :envvar:`CAS_CLIENT_SSL_CA_LIST`
  - :envvar:`REQUESTS_CA_BUNDLE`
 
+In addition, it is possible to disable SSL ceritificate validation entirely, although this should be used with caution.
+When instantiating a :class:`.Session` instance you can set the `verify_ssl` parameter to False::
+
+   >>> s = Session(hostname, username, verify_ssl=False)
+
+If you're using **sasctl** from the command line, or want to disable SSL validation for all sessions, you can use the following :envvar:`SSLREQCERT` environment variable.
+
 
 Logging
 +++++++
@@ -291,6 +301,10 @@ will take precedence over :envvar:`REQUESTS_CA_BUNDLE`.
 
 Client-side path to a certificate file containing :abbr:`CA (Certificate Authority)` certificates to be trusted.  Used by the :mod:`requests` module.
 
+.. envvar:: SSLREQCERT
+
+Disables validation of SSL certificates when set to `no` or `false`
+
 .. envvar:: SASCTL_SERVER_NAME
 
 Hostname of the SAS Viya server to connect to.  Required for CLI usage.

src/sasctl/core.py

@@ -379,7 +379,8 @@ def request(self, method, url,
                 raise RuntimeError(
                     "SSL handshake failed.  The 'REQUESTS_CA_BUNDLE' "
                     "environment variable should contain the path to the CA "
-                    "certificate.")
+                    "certificate.  Alternatively, set verify_ssl=False to "
+                    "disable certificate verification.")
             else:
                 raise e