added: constructor that requires a ID to be set
modified: fixed a typo $param and edited to @param

Signed-off-by: Scott Thundercloud <scotttc@gmail.com>
added: autoload file for loading classes; start of the melissa data test class
added: test class and method names class with appropriate functionality

Signed-off-by: Scott Thundercloud <scotttc@gmail.com>
added: .gitignore file to exclude ID.php from being staged
modified: updated the send command method comment to be more accurate; send command method is changed from protected to public for unit testing
Merge branch 'master' into Unit-Test
added: send command test method; the start of test zip code count test method