Refactored Tennis::Game1 class: Cleanups and some private methods
Refactored Tennis::Game1 class: Cleanups and some private methods

raihan2006i/Tennis-Refactoring-Kata,raihan2006i/Tennis-Refactoring-Kata,raihan2006i/Tennis-Refactoring-Kata,raihan2006i/Tennis-Refactoring-Kata,raihan2006i/Tennis-Refactoring-Kata,raihan2006i/Tennis-Refactoring-Kata,raihan2006i/Tennis-Refactoring-Kata,raihan2006i/Tennis-Refactoring-Kata,raihan2006i/Tennis-Refactoring-Kata,raihan2006i/Tennis-Refactoring-Kata