Every Sweeper has liscence. How good a sweeper you are classified is really just for bragging rights but it still makes you more respected around others. Here are the Classes
E- Greenhorn sweeper
D- Novice sweeper
C- Average sweeper
B- Advanced sweeper
A- Proffesional sweeper
AA - Expert Sweeper
S - Legendar sweeper
also, your class will affect how much money you make ((all posts affecting money will be on the hitlist)