1.0.0-rc4

Fourth release candidate for the core.

cd6a4fe chore: replace @types/is-stream with correct @types/isstream (#52)
6a62f44 feat: add specific error handling for SSL errors with cloud private instances (#54)
4166cab build(deps): upgrade typescript from 2 to 3 (#53)
8dcde61 feat: export UserOptions interface from the BaseService (#50)

To install this release candidate, use one of the following commands:

• $ npm install [email protected]

For more information about breaking changes and how to migrate your code, see the migration guide.