Added documentation, improved code readability

Added documentation using phpDocumentor
Improved code readability and comments

Fizz-Buzz complete release (@likel)

Complete release of a powerful Fizz-Buzz program. Complete with unit testing.

v1.0.1
Fixed line spacing issues, no change to code execution

Fizz-Buzz complete release (@likel)

Initial complete release of a powerful Fizz-Buzz program. Complete with unit testing.