Added fallback for retrieving VAT rates

• Added fallback for retrieving VAT rates
• Tested on Crystal 1.6.1

Fixed VAT number validation by handling new response body

Fixed VAT number validation by handling new response body

Added support for Crystal 1.5.0

Support for Crystal 1.5.0

Added support for Crystal 1.3.2

Support for Crystal 1.3.2

Added support for Crystal 1.2.0

v0.1.19

Updated changelog and readme for Crystal 1.2.0 release

Added Estonia and Lithuania to eurozone

And fixed changelog links to work with correct versions

Fixed small issue in `charge_vat?` method

v0.1.17

Fixed small bug in ‘charge_vat?’ method and bumped to 0.0.17

Removed UK logic and updated to Crystal 1.0.0

v0.1.16

Updated to Crystal 1.0.0. Removed UK logic and development deps

Updated VAT rates endpoint and changed Slovak Republic to be called Slovakia

v0.1.15

Updated VAT rates endpoint. Changed Slovak Republic to Slovakia in co…

Moved repository to new location

The Europe.cr repository has been moved to the gem-shards.