Iteration 2 Release

Hello! This is our release of 2nd iteration. We have added numerous feature in this release, such as login & sign-up. Full change list please refer Release note.

Release Note

• Refactoring on demand
  • Refactored that almost duplicate code has been eliminated
  • Eliminated switch statement
• Design Pattern added
  • Singleton
  • State
  • Factory Method
  • Template Method