Merge pull request #7 from andreypostal/improve-invalid-enum-value

Improve handling of invalid enum values

Merge pull request #6 from andreypostal/fix-null-issue

Fix serializer null issue

Merge pull request #5 from andreypostal/feature/allow-defining-defaul…

…t-value

Allow defining default value for hydration

Merge pull request #3 from andreypostal/dev

Improve tests and fix type handling

Update SimpleHydrator.php

Same key mapping strategy

Merge pull request #2 from andreypostal/dev

Update README.md