Add new E2 hash functions

[Denneisk]

• Adds hashCRC(string) to get the CRC checksum of a string
• Adds hashMD5(string) to get the MD5 hash of a string
• Adds hashSHA1(string) to get the SHA1 hash of a string
• Adds hashSHA256(string) to get the SHA256 of a string
• Update test file to include hash functions
• Update hash(string) description
• Deprecates hash(string)

I think the size limit could be higher without much concern. Please advise.

Also doing this as a test of the linter since for some reason it's using the old one on the other PR.

[Denneisk]

Changing to forceThrow because I want to avoid new E2 functions having default returns.

[thegrb93]

Yeah woops. I also forgot e2's throw only throws while strict