- [X] Removes 6017 handler since it is only used in one place - [X] Exposes a ref int to modify the packet length. This is acceptable since we technically have access to the entire reader/buffer.
- [X] Converts buff icon packets, and avoids string formatting.
- [X] Removes EventArgs - not needed - [X] Merges sequential checks - [X] Removes redundant type declarations
