v1.23

Changes

• Added support for MyEnum(str, Enum): #33
• Fixed using inner classes as field types:

@dataclass
class A(DataClassDictMixin):

    @dataclass
    class B(DataClassDictMixin):
        b: int

    a: int
    b: B

print(A.from_dict({'a': 1, 'b': {'b': 2}}))