Update 1.0.2

[h3]Additions[/h3]
-Added a backup save system for when the unthinkable happens.

[h3]Tweaks[/h3]
-Adjusted some tiles on “Hairpin” to hopefully make the Porter behavior more obvious.
-Endless score, XP and bonus rate is shown on the quit to menu popup.
-Endless score, XP and bonus rate is shown on the start endless mode popup.
-Default music volume reduced slightly.

[h3]Fixes[/h3]
-Fixed Brian sometimes shaking his head during dialog scenes.