tag v0.5.0

Version 0.4.0

[ci skip] 0.3.5

[ci skip] 0.3.4

[ci skip] 0.3.3

[ci skip] Bump v0.3.2

[ci skip] Bump 0.3.1

Merge pull request teachbase#15 from teachbase/with-client

Add Amorail.with_client to support multiple configurations

- Add Entity.find_all

- Add ContactLink entity
- Add Contact#leads
- Add Lead#contacts