Version Bump v4.2.0: Allow setting both and parameters

Version Bump v4.1.1: sendgrid#23 Moved Mockito to test dependency.

Version Bump: v4.1.0: sendgrid#17 Assign server response outside try …

…block

Version Bump v4.0.0: Pull sendgrid#14, fixed sendgrid#12 Make respons…

…e have private variables

Version Bump v3.0.0: BREAKING CHANGE sendgrid#15 Update the request o…

…bject with sensible defaults and access methods

Version Bump v2.3.4: Fix Response Charset to UTF-8

Version Bump v2.3.3: sendgrid#11 Better error handling

Version Bump v2.3.2: fix maven upload

Version Bump v2.3.1: Fix charset: Use UTF-8 charset instead of defaul…

…t ISO-8859-1

Version Bump v2.3.0: Automatically add Content-Type: application/json…

… when there is a request body