v1.5.6

What's Changed

• Removed reliance on vlan.PrimaryRouter to find a vlans pod/datacenter by @allmightyspiff in https://github.ibm.com/SoftLayer/softlayer-cli/pull/900
• Updated vs upgrade help message by @allmightyspiff in https://github.ibm.com/SoftLayer/softlayer-cli/pull/906
• Added notes to invoice details listing by @allmightyspiff in https://github.ibm.com/SoftLayer/softlayer-cli/pull/909
• Updated 'account invoices' help text by @allmightyspiff in https://github.ibm.com/SoftLayer/softlayer-cli/pull/908
• Removed the CDN commands, added deprecated notice by @allmightyspiff in https://github.ibm.com/SoftLayer/softlayer-cli/pull/910
• Updated user details objectMask to properly get all required fields by @allmightyspiff in https://github.ibm.com/SoftLayer/softlayer-cli/pull/912
• account item-detail will try looking up the billing_invoice_item by @allmightyspiff in https://github.ibm.com/SoftLayer/softlayer-cli/pull/913
• Added Direct Link network space to vlan list by @allmightyspiff in https://github.ibm.com/SoftLayer/softlayer-cli/pull/914
• V1.5.6 version bump by @allmightyspiff in https://github.ibm.com/SoftLayer/softlayer-cli/pull/915

Full Changelog: https://github.ibm.com/SoftLayer/softlayer-cli/compare/v1.5.5...v1.5.6