vies 1.0.0+1

This dart lib is basically calling web service provided by VIES for check VAT validity

1.0.0+1

• Increase exceptions management
• Add more managed exceptions (SocketTimeout, TimeoutException)

1.0.0

• Add accessible constant country codes list
• Add accessible constant errors list
• Code refractoring

0.0.2

• Fix https envelope error ("Envelope" element, is not a valid SOAP version)

0.0.1+1

• Update lint

0.0.1

• Initial prerelease.