Add support for show running-config all

[mikael-andre]

Hi,

First, I want to thank you for the great job. I reused this module in my job.

After analyze, some commands didn't appear because they are, by default, implemented (for example ip ssh version 2)
To get entire configuration, I ran show running-configuration full.
I ran my script with the full configuration.

I removed all empty lines, lines beginning with !.
In attached file,I put output errors.

After deep dive reverse engineering, I guess some commands are not implemented in your module.
ValueError: ciscoconfparse2.py config_line_factory(all_lines=[], line=ip route static adjust-time 60, comment_delimiters=[['!']], syntax=ios) could not find a subclass of BaseCfgLine()

Many thanks and have a nice day.
output_error.txt