Test enhancement (ddeboer#26)

* fix travis setting

* replace PHPUnit namespace

* Test enhancement

* Test enhancement

Added Norway to the list of available VAT ID formats (ddeboer#21)

Update PHP versions to test against

Merge pull request ddeboer#19 from willemstuursma/master

Don't export tests/ in Composer dist installs

Fix tests

Add PHP 7.0 and 7.1 to test matrix (ddeboer#16)

Require ext-soap in composer.json (ddeboer#14)

* Suggest ext-soap in composer.json

Merge pull request ddeboer#11 from Studio-40/catch-exceptions

Optionally catch WSDL client exceptions

Merge pull request ddeboer#8 from pumatertion/hotfix/1.2.2

Add missing HR(Croatia) Pattern

Merge pull request ddeboer#6 from cmoralesweb/exceptions

Throw SOAP exception when unable to connect to VIES server