Handle callbacks in set/redo calls

[gorj-tessella]

Ordinary useState/setState accepts a callback as the argument which is evaluated with the previous state, so useUndo/set/reset should as well.

[AntonioClarke]

Ordinary useState/setState accepts a callback as the argument which is evaluated with the previous state, so useUndo/set/reset should as well.

Would the typescript declaration have to be updated as well? https://github.com/homerchen19/use-undo/blob/master/index.d.ts