py-softlayer: updated to 6.1.7

6.1.7

pip prod(deps): bump rich from 13.3.2 to 13.3.3
Added new command - slcli cdn delete
Added new command - slcli cdn create
slcli firewall detail multiVlan:14109 --credentials
add a new option on account orders
Issues with block/file volume-details on some volumes
Need a command for slcli object-storage delete
New Command: slcli user vpn-password
Update slcli user detail to display if user has API key
Fixed an issue with 'slcli event-log get'
pip prod(deps): bump rich from 13.3.3 to 13.3.4
added the slcli file to this repo
Updated date field in command - slcli cdn purge
New command: slcli order quote-delete
pip prod(deps): bump rich from 13.3.4 to 13.3.5
updates for v6.1.7

(adam)