Added
- a parameter that points to where peps should be saved ([32](https://github.com/pepkit/pephubclient/issues/32))
- pep zipping option to `save_pep` function ([34](https://github.com/pepkit/pephubclient/issues/34))
- API for samples ([29](https://github.com/pepkit/pephubclient/issues/29))
- API for projects ([28](https://github.com/pepkit/pephubclient/issues/28))
Updated
- Transferred `save_pep` function to helpers