Merge pull request #121 from huntflow/DEV-22604

params include_taken/include_not_approved added for list /vacancy_requests

Merge pull request #119 from huntflow/v2

[DEV-22502] - v2 -> master

Merge pull request #105 from huntflow/INT-1118_add_email_methods

[INT-1118] - Add email methods.

Merge pull request #117 from huntflow/DEV-22460_add_docs

[DEV-22460] -  Add docs

Merge pull request #116 from huntflow/DEV-22401

[DEV-22401] - site field added

Merge pull request #115 from huntflow/DEV-22328_client_to_hfapi

[DEV-22328] - client to hfapi2

Merge pull request #114 from huntflow/DEV-22339_fix_models

[DEV-22339] - Add private field.

Merge pull request #113 from huntflow/DEV-22316

update applicant and get logs fix

Merge pull request #112 from huntflow/DEV-22220_add_last_sync_field

[DEV-22220] - Add last_sync field

Merge pull request #111 from huntflow/DEV-22199_add_last_sync

[DEV-22199] - Add last_sync