Tests for handling Web To Parameters
Added support for Web To Param. as well as Web ToName Param.

Made all instance variables private and added Getters/Setters for all of
them.
Cleaned up the toWebFormat() method.
Added AddToName Test and Support for BCC test
Added support to BCC by droping the header To
Adding pdf.pdf
Merge pull request #33 from sendgrid/javaism

Javaism