alt text for images; captions for tables; RESt/XMLRPC reference Grammar fix. Add height/width alt text keeping width under 700 for all images. Separate two tables and add captions for them. Reference REST/XMLRPC for automation/advanced use in web interface section.

try:
    # Python 3+
    from ssl import SSLError
except (ImportError, AttributeError):
    # Python 2.5-2.7
    from socket import sslerror as SSLError    # noqa: F401