test/test_package: Prevent secondary encoding errors when reporting test failure
test/test_package: Moved `http://aspaass.no/kontakt/Aspaas%20Sykler.vcf` to appropriate the invalid test case

In this case, the invalid group is that of `VCARDS_NON_EMPTY_PARAM`
test/test_package: Moved `http://www.troywolf.com/articles/php/class_vcard/vcard_example.php` to appropriate failing testcase

That is, `VCARDS_NON_EMPTY_PARAM`.

(The `URL` type has parameters, when it should not.)
test/test_package: Rewrote error (message mismatch) handling to prevent secondary encoding errors
vcard_validators: whitespace (PEP8)