update PasswordRequirementsValidatorTest

Test that empty value is valid
fix PasswordStrengthTest failures
change PasswordStrengthValidator calculation

Only increase the strength when length is "higher",
not equal or higher. Using equal would make it always at least 1
adapt PSR-4 for tests
fix tests
Update PasswordStrengthTest.php
fix BlacklistListCommandTest
Merge pull request #23 from rollerworks/fix-tests

merge #23 Fix tests (sstok)

This PR was merged into rollerworks:master branch.

Discussion
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Commits
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bb8c758974909372b5272f5ffec93ff0b9d4e4c5 update PasswordRequirementsValidatorTest

Test that empty value is valid (sstok)
4be94731e619aa9aadc613504682b155dfb549e0 fix PasswordStrengthTest failures (sstok)
4c74dcd441d1cdd94332493f4a0c6d87334df415 change PasswordStrengthValidator calculation

Only increase the strength when length is "higher",
not equal or higher. Using equal would make it always at least 1 (sstok)
501e783e1e6e948e4f0c8da4fb1d11966790ef89 adapt PSR-4 for tests (sstok)
29a9dc402b779c638908d39f144ddb07c4f18d0f fix tests (sstok)
38ff4a9c96bd22d9a75458f69e37afcf7222cf7b Update PasswordStrengthTest.php (sstok)
adb9de8ecc55842b692c220d485785a31e6b0829 fix BlacklistListCommandTest (sstok)