New API clients support

Added:

• cms.source_code API client
• crm.objects.calls API client
• crm.objects.emails API client
• crm.objects.meetings API client
• crm.objects.notes API client
• crm.objects.tasks API client
• marketing.forms API client
• marketing.events API client
• settings.users API client

Extend DiscoveryBase with api_factory setting

Merge pull request #73 from tony-romanovych/master

Extend DiscoveryBase with `api_factory` setting

Verify ssl param

Merge pull request #86 from HubSpot/feature/verify-ssl

Verify ssl

Missing get_all method for objects by type

Merge pull request #84 from HubSpot/feature/objects-get-all

Get all with an object type

Missing fetch_all method

Merge pull request #83 from HubSpot/feature/objects-get-all

Feature/objects get all

Missing get_all method

Merge pull request #80 from HubSpot/feature/objects-get-all

crm.objects.get_all method

Missing types files

Merge pull request #75 from HubSpot/feature/regen

Missing object and association type

Generated api updates

Merge pull request #69 from HubSpot/feature/regen

Feature/regen

Fix types init file

Merge pull request #62 from HubSpot/feature/types_init

Fix types init

Fix crm types files

Merge pull request #61 from HubSpot/feature/missing_object_type

Return missing types files