Datamodel-code-generator

- Improve resolving relative path [406]
- Refactor parse_enum [405]

- Improve imports in DataType [403]
- Support self reference array [402]
- Support allOf with object [401]
- Improve generating model name [400]

- Support time and idn-email format 397
- Support custom_class_name_generator 396
- Reduce unnecessary downloading 395
- Fix resolving ref with root id 394
- Fix modular generated models 393
- Refactor module_name 391
- Remove append_result 390
- Remove field name validator 389
- Fix import style 388
- Fix duplicate field name 386

breaking change
The detail is in 398

- Refactor data_type_manager [384]
- Fix to parse enum correctly [383]
- Allow using Literal in python 3.7 via typing_extensions backport [382] by yuyupopo
- Update dependencies [378]

Thanks to yuyupopo

- Improve resolving module names [377]
- Refactor DataModel [376]
- Improve code style [375]

- Improve typing [373]
- Fix x-enum-varnames for string [372]