SmokeCrack v.1.0.2

SmokeCrack Improvements & Fixes

Fixes:

• SmokeCrack only removed the created keypress listener when player pressed a wrong key. Discovered and fixed by @DiGatsby

Improvements:

• Added a difficulty level system (Easy, Medium, Hard) with different min & max character counts and timer values.
• Introduced a Salty App like Mac / IP address system to differentiate between difficulty levels.

Full Changelog: SmokeCrack...SmokeCrack-v.1.0.2
Credit for bug fix: #6