Medieval RPEngine Display Character Names instead of IGNs

[Optimus0324]

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Allow for more immersion by changing the persons username above their head to display their Character Name

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For extra levels of immersion, having people's character names over their head instead of relying of reading it in chat to understadn who is talking. This can toggled on and off if you add a /rpnames command.

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Examples from a server I play on:
https://imgur.com/3GPZWjq
https://imgur.com/DHevbbK