Functions for Campaign Email Send endpoints

[dynata-bradley]

http://petstore.swagger.io/?url=https://kaleidoscope-survey-api.cmix.com/swagger.json#/

• POST
  ​/projects​/{projectId}​/email-campaigns​/{emailCampaignId}​/sends
  Create Campaign Email Send
• GET
  ​/projects​/{projectId}​/email-campaigns​/{emailCampaignId}​/sends
  Get Campaign Email Send List
• GET
  ​/projects​/{projectId}​/email-campaigns​/{emailCampaignId}​/sends​/{sendId}
  Get Campaign Single Send Detail
• PATCH
  ​/projects​/{projectId}​/email-campaigns​/{emailCampaignId}​/sends​/{sendId}
  Update Campaign Email Send
• DELETE
  ​/projects​/{projectId}​/email-campaigns​/{emailCampaignId}​/sends​/{sendId}
  Delete Campaign Email send