Update the request object with sensible defaults and access methods, #13#15

thinkingserious merged 4 commits intosendgrid:mastersendgrid/java-http-client:masterfrom

diegoc-am:make-request-object-have-sensible-default-13diegoc-am/java-http-client:make-request-object-have-sensible-default-13Copy head branch name to clipboard