Megalib

- bandwidth_usage function was not working, because the URL params were not constructed properly
- support more complex passwords, by utilising the params keyword argument in the requests library, instead of manually constructing the URL with the params built-in, without encoding them
- product_lock function, URL Params were being constructed in the wrong order

- First 'production ready' release
- Fixed a number of minor bugs which were found during QA

PostOrderResponse, lag_count string not integer

Hopefully the last release before QA and production ready release..

- Updated requirements.txt to fix vulnerability
- Added .gitignore
- Added support for ordering VXCs to Oracle
- Added support for ordering VXCs to Nutanix
- Added AWS VIF Name argument for VXCs to AWS
- Added .request_body attribute to all functions which contains the JSON body used for the request
- Default VLAN is 0 not null

- Fixed token login response, missing header member.
- Fixed Google Cloud lookup to handle multiple endpoints
- Create CONTRIBUTING.md
- Create CODE_OF_CONDUCT.md