Version v3.1.10: Fix botched 3.1.9 release
Update TROUBLESHOOTING.md
Version Bump v3.1.8: Added a troubleshooting section
Versiom Bump v3.1.7: Issue sendgrid#195 The variable apikey and api_k… …ey are now interchangeable
Version Bump v3.07: README documentation improvements
Version Bump v3.0.6: Update docs, unit tests and examples to include … …Sender ID
Merge pull request sendgrid#190 from sendgrid/189-disable-open-click-… …tracking-response Fix for issue 189
Version Bump v3.0.4: Fix issue sendgrid#186
Version Bump v3.0.3: Tests now mocked automatically against prism
Version Bump v3.0.1: Fix 185, content updates