* Updated the options definitions to the new api
* Fixed the wrong base class being used for UndertaleOptions
* Undertale: Added get_filler_item_name to Undertale, changed multiworld.per_slot_randoms to self.random, removed some unused imports in options.py, and fixed rules.py still using state.multiworld instead of world.options, and simplified the set_completion_rules function in rules.py
* Undertale: Fixed it trying to add strings to the finished item pool
* fixed 1000g item not being in the key items pool for Undertale
* Removed ".copy()" for the junk_weights, reformatted the requested lines to have less new lines, and changed "itempool += [self.create_filler()]" to "itempool.append(self.create_filler())"
Randomizes the items, and adds a new item to the pool, "Plot" which lets you go further and further in the game the more you have.
Developers: WirTheAvali (Preferred name for professional use, mewlif)
Mewlif