Language Update

• functions now work like in python and you can write code outside of functions in the global scope.

• windows now correspond to files instead of functions and every file is saved individually instead of as one file.

This means that there is a change to how the game is saved. Old save games should be automatically converted to the new format but you will have to adapt your code.

• added dictionaries

• added sets

• added tuples

• added strings

• added sequence slicing

• added sequence unpacking

• added default arguments

• functions now have to be unlocked

• get_cost now returns a dictionary

• renamed Cost_Lists to Costs

• removed get_active_power

• adapted the docs to the new changes

• added corruption protection to the save system

• fixed some list operations not being affected by speed upgrades

• fixed list index out of bounds bug

• fixed the for loop docs page not opening when you first unlock it

• fixed iterating Entities, Grounds, Items and Unlocks in a for loop

• fixed trees unlock description