Archipelago 1.1 Update!

It's almost been a year since 7DRL2020, but the Gods of the Archipelago have not stopped their work. Here's a short update with some new features and bug fixes!

New features:
-A holiday-themed island type with new music has appeared in the Archipelago!
-Bosses now have a visible health bar and their difficulty has been tweaked.

Bug fixes:
-A bug where the ship was made inaccessible by rocks or trees on some islands was fixed.
-A bug affecting boss hit detection and causing some hits to be unrecognized was fixed.