V1.4 Release

Its here! and its a bit early... This will probably be the last update for awhile unless any major bugs or new ideas for features jump out at me. I'm happy with the state the game is in and hope someone finds it fun. anyways onto the new features and changes:
-Added a mute button which is the F10 key
-Added new ambient station sounds
-Added new station images & names 
-Added new train images & names
-Added new news papers
-Added a new "terminal" to the 4th platform on stations...
-Changed/Added various icons 
-Changed/Added new sound effects for various thing
-Changed/Fixed gui elements
-Fixed being able to open multiple instances of the letter
-Fixed final scores being added up incorrectly if the game is running while a pc is put into sleep mode
-Fixed exit button freezing the game instead of closing it