Bump to v0.5.0.dev4

- d961768 Fix:Update mypy pre-commit config
- e5d59c3 New:Raise SyntaxError when field overwrites method (#38)

Bump to v0.5.0.dev3

- c42aeb5 Feature/more friendly development setup (#34)
- 2f9a71c New:Support testing in 3.8
- c8bd593 New:Stash unstaged code before testing
- d2a18a8 New:Best way to raise new exc
- 90fa9c8 New:ExprError __str__ implementation

v0.5.0.dev2

Merge branch 'master' into release/v0.5.0

Bump to v0.4.2

- 7e035b6 Fix:Complex extractor inheritance missing fields

v0.5.0.dev1

Bump to v0.5.0.dev1

Bump to v0.4.1

- d180992 Add pre-commit support and fix pre-commit check error (#32)
- bd680c1 Update pyproject.toml
- 64f30f7 remove unhappened condtional

v0.4.0

Bump to v0.4.0

v0.4.0.dev3

Bump to v0.4.0.dev3

v0.4.0.dev2

Bump to v0.4.0.dev2

v0.4.0.dev1

Support JSONPath ext syntax