Better error reporting in audible api -- incl. inner exceptions

Better error reporting in audible api

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Revert Avalonia. Bug in 11.0.6

Merge branch 'master' of https://github.com/rmcrackan/Libation

Upgrade to .net8

New locale: Brazil

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Merge pull request rmcrackan#730 from Mbucari/master

Fix rmcrackan#729

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