Only update file if a new one is uploaded
Only update file if a new one is uploaded

Fixes #133

singpolyma/tint,singpolyma/tint,singpolyma/tint,usetint/tint,ericroberts/tint,usetint/tint,ericroberts/tint,ericroberts/tint,usetint/tint,singpolyma/tint,usetint/tint,ericroberts/tint