Create magic method __call() to autoload classes.

Copied the magic method __call() from \PHPerian\Request into \PHPerian\Request\Partial to autoload Partial sub-classes using the method create*().
Completed Applicant class.

Completed the Applicant (Partial sub-class).
Remove abstract flag in DocComment.
Rename the applicant test so that it gets included by PHPUnit.
Fix bug identified by unit tests.

Fix a bug (the variable in the parameters list was mis-spelt) which was identified by a failure in the unit test.
Verbose/silent Shortcut Methods.

Added shortcut methods verbose() and silent() on the \PHPerian\Request class that map to \PHPerian\Request\Partial::verbose() and \PHPerian\Request\Partial::silent() respectively. Now they can be called from $request->verbose() and $request->silent(). Much neater!
Added title() unit test.

Added another unit test specific to the \PHPerian\Request\Partial\Applicant::title() method.
Unit testing.

Added unit test for the methods \PHPerian\Request\Partial\Applicant::middleName() and \PHPerian\Request\Partial\Applicant::suffix().
Add assertion.

Add an assertion into the unit test for the creation of a \PHPerian\Request\Partial\Applicant object to test that an exception would be thrown when invalid data is passed.
Fixed a bug.

Fixed a bug where a number is a valid name for the constructor method of \PHPerian\Request\Partial\Appplicant, identified by its unit test.
Add unit test.

Add a unit test for the \PHPerian\Request\Partial\Applicant::gender() method.
Add unit tests.

Add units test for the methods setGenderMale() and setGenderFemale() of the class \PHPerian\Request\Partial\Applicant, and start on the unit test for the method dateOfBirth().
Completed unit test.

Completed the unit test for the method dateOfBirth() in the class \PHPerian\Request\Partial\Applicant.
Fixed inconsistency.

Changed the failure return value from boolean false to null, which fixes an inconsistency between methods, as identitfied by the unit test.
Add unit test.

Added a unit test for the method getAliases() in the class \PHPerian\Request\Partial\Applicant.
Merge branch 'feature/applicant' into develop