Bumped version to `3.5.2-f` and made public `npm` package.

Added `type TProperReturn = object | null | undefined | boolean | num…

Added `.gitignore` and polished `package.json`

Added `.gitignore` and polished `package.json`.

Bumped version to `3.5.2-b`

Fixed `readme` property in `package.json`

Fixed `readme` property in `package.json`.

Bump version to `3.5.2-a`.

Initial Release

Initial commit and release 3.5.2 of @cw-types/bluebird.