Add new class Signature

• add new class Signature(HubSpot.utils.signature)
• deprecated (HubSpot.utils.webhooks)
• add test coverage for regen

Added missing types lists

Merge pull request #160 from HubSpot/fix/add_missing_type_files

add missing types lists

Added pipeline_audits_api and pipeline_stage_audits_api to crm.pipelines discovery

Merge pull request #158 from HubSpot/feature/7.2.1

bump version to 7.2.1

Added crm.objects.postal_mail API client

Merge pull request #156 from HubSpot/feature/7.2.0

7.2.0

Added Private App access token (cms.domains, crm.imports) and Fix all association APIs

• Added Private App access token to cms.domains and crm.imports
• Fix all association APIs

Update codegen

Marketing events update.

Reduce memory usage

Merge pull request #133 from HubSpot/feature/memory-usage

Memory usage

Drop unsupported versions of Python

Required version of Python has been updated to 3.7

License metadata

Merge pull request #126 from HubSpot/feature/license-meta

License meta

CRM Public Object

Merge pull request #113 from HubSpot/feature/crm-discovery

CRM discovery with tests