Add unit tests for attr.ib generation.

Make overall class generation into a functional test.

Add leading _ to private method names.

Fix #13: Required property names are not translated to camelCase on output.

DRY out class generator tests.

Add unit test for optional property.

First unit test: generate a required property

Fix #11: Use attr.Factory instead of mutable initializers

Fix bug in property renaming logic.

Implement JSON serialization (moved from bandit-sarif-formatter).

Include schema property name in attr.ib metadata.

Fix install_requires in setup.cfg.

Update Development Status to 5.

Fix #6: Format with 'black' formatter.

Use attrs package and make Python 2/3 compatible. (#5)