Implementing a struct called ErrorCodes which serves as a static Dict…

[MatthiasKreileder]

…ionary to look up corresponding error descriptions in string format to the provided error codes (Int values). Also adding tests.

[czechboy0]

Great, thanks @MatthiasKreileder! 😊 We just need a couple of things to tidy up the tests.

• is there a reason you commented out the manifest entry for TimeoutTests? We still want to run those on Linux
• please add an entry like that for ErrorCodesTests as well
• then add an entry into LinuxMain.swift in the Tests folder

These should make tests run on both platforms.

Regarding the feature - could you also integrate it into the Error initializer? Whenever a new error is getting created with a code, we want to supply this looked-up string as part of the error's description. I can help with that once you have the test stuff above ready.

(Just for reference: this fixes #47)

[czechboy0]

Great stuff, thanks @MatthiasKreileder!