v1.3.0

This release adds the following command(s):

• loadtest account create
• loadtest agreement show
• loadtest domain list
• loadtest domain show
• loadtest domain create
• loadtest domain delete
• loadtest domain verification file verify
• loadtest domain verification file dns
• loadtest job list
• loadtest job show
• loadtest job create
• loadtest job delete
• loadtest job stop
• loadtest job settings show
• loadtest job results show
• loadtest test list
• loadtest test show
• loadtest test create
• loadtest testdelete
• loadtest scenario list
• loadtest threshold list
• loadtest threshold show