Roman Yanush

After installation & adding to model ``` class SomeModel(models.Model): email = encrypt(models.EmailField()) ``` raises next error ``` Traceback (most recent call last): File "XXX/env/lib/python3.7/site-packages/django_cryptography/core/signing.py", line 223, in unsign version, timestamp,...

## I'm submitting a... [ ] Regression (a behavior that used to work and stopped working in a new release) [ ] Bug report [ ] Performance issue [X] Feature...