Deduplicate logged errors and warnings

[rhertogh]

Q	A
Is bugfix?	❌
New feature?	✔️
Breaks BC?	❌
Fixed issues	-

The same error or warning might be logged multiple times. This PR deduplicate them before writing them to their respective files.

[what-the-diff]

PR Summary

• Code refactoring for better maintainability
  The code has been restructured to eliminate repeated logic, making it easier to maintain and understand.
• Improved error and warning handling
  A new hash algorithm is used to ensure that the error and warning arrays are unique, preventing duplicate errors/warnings.
• Alphabetical sorting of errors and warnings
  Errors and warnings are now sorted alphabetically by file name before being saved to their respective files: errors.txt and warnings.txt.

[samdark]

Thanks.