doc: improve first example of slcli
doc: improve first example of slcli

Updated table_example.py so it outputs as described in documentation.
Made sure that it passes 'tox -e analysis',
in the spirit of giving a good first impression. :^)

softlayer/softlayer-python,kyubifire/softlayer-python,nanjj/softlayer-python,allmightyspiff/softlayer-python