Fixed - When Content-Type is not application/json, do not JSON encode the request body
2.2.0
Added - Ability to set the Content-Type header
2.1.1
Added
- you can now pass an apikey to the SendGridAPIClient, per issue [168](https://github.com/sendgrid/sendgrid-python/issues/168). Thanks [Matt](https://github.com/mbernier)! - fix .rst formatting for PyPi
2.1.0
Added - Automatically add Content-Type: application/json when there is a request body
2.0.0
Added
- breaking change is only for the Web API v3 endpoints - we now have support for all Web API v3 endpoints
1.6.22
Fixed
- a call to GET api_keys after a call to DELETE api_keys would throw an error.