Adjust HTTP Codes

[Katsute]

Prerequisites

Issues must meet the following criteria:

• No similar pull request exists.
• Code follows the general code style of this project.
• No sensitive information is exposed.
• Relevant comments have been added.

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Changes Made

List any changes made and/or other relevant issues.

• RedirectHandler returns code 308 (Permanent Redirect)
• TemporaryHandler returns code 404 (Not Found) when expired
• FileHandler returns code 404 (Not Found) on null file
• ThrottledHandler returns code 429 (Too Many Requests) on max connections

Release Notes

• RedirectHandler returns code 308 (Permanent Redirect)
• TemporaryHandler returns code 404 (Not Found) when expired
• FileHandler returns code 404 (Not Found) on null file
• ThrottledHandler returns code 429 (Too Many Requests) on max connections

[Katsute]

@mashiro-san approve this pull

[ghost]

@Katsute I have approved this pull request

[Katsute]

@mashiro-san approve this pull

[ghost]

@Katsute I have approved this pull request