Appknox CLI 1.2.8

What's Changed

• Add cli version in the User-Agent header by @kirankumbhar in #33
• Download Summary CSV Report for the given Report ID by @kirankumbhar in #31
• Create Report for the given file ID by @kirankumbhar in #32
• Update Readme for the Summary CSV report by @kirankumbhar in #35
• Added download Summary Excel command for reports by @kirankumbhar in #36
• Readme Update: Added excel command details by @kirankumbhar in #37

Full Changelog: 1.2.7...1.2.8