Added compression, better emitter /w tests

[Zwork101]

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Title

Added compression as an option, created a fully documented, better emitter, and created tests for said emitter.

Description

Decompression was changed so that this time we create a decompression object, and use it repeatedly to decompress information. A new emitter was added that supports priority, a bit more efficient and is documented. Lastly created tests for the the created emitter.

Issue Resolution

Doesn't fix, just enhances

This Pull Request fixes #3

New or Changed Features

• Added decompression support
• New event emitter
• event emitter tests

[Not-Nik]

Looks fine. Just some minor changes/additions required to merge.

[Zwork101]

NO NOT MERGE: Still a bug with the gateway reconnect test that needs to be resolved.

[Not-Nik]

Ok, thanks for your effort. Just hit me up on Discord when this is ready to merge

[Zwork101]

In total, added and implemented an emitter. Fixed a test, one test is still failing, but that's unrelated to the emitter.