This avoids unnecessary allocations/reallocations while decoding a message by pre-sizing the buffer to the amount we know it will require. I feel like there's probably a better way to handle this, but this works for now.
This password encoder was decompiled from the Android app then manually cleaned up and ported to Javascript. It ain't pretty, but it works.
I don't know that this is all necessarily the most correct or idiomatic way to implement these features, but I wanted to make sure the functionality got committed to help out people wanting to use this for smart home appliances (#1).
Added verification of broadcast response message size
Added clearer handling of message types
I'm sure there's a better way to do debug logging, but I don't really feel like adding a dependency on another module just for that.
