Add Serializable function that exposes a Marshallable struct

• Passing tags -debug allows us to expose the underlying cause of the error when Serializable(err) is called.

Faster Error() using strings.Builder

Merge pull request #1 from etherlabsio/fix-ci-failure

fix ci failure

fix compilation bug in test

v0.2.1

fix; compilation error in test package

Update to Unwrap method

v0.2.0

fix; unwrap method to return concrete *Error type

Initial implementation for the error management package

v0.1.0

fix; publishing coverage report