=Huge game optimization

=Changed the attack of "Nightmare Sans" in the fight of "Ink Sans"

=Chara and Papyrus are now harder in "Adventure" Mode

+Animations are now played in the "Singleplayer" Mode

=The gasterblasters that move now wait a little after touching the right edge before leaving (this is a timer, which was not the case before)

=It's now easier to take no damage with the orange soul

=Some changes on the easter egg of "Chara"

Bug:

-The music of "Ink Sans" could continue after a victory

-Even if we moved with the orange bones, we could take damage, also for the orange soul

-Several bugs with Disbelief Papyrus fixed

-Level 15 of "Adventure" Mode now works

-A dialogue line from "Undyne" now fixed

-The moving knife could spawn a frame to the sides (when it cannot spawn)

-The death animation could be replayed after a restart