ENHANCEMENTS:
* Added `use_client_subnet` (alias for `use_csubnet`) parameter to `records` resource [36](https://github.com/ns1/ns1-python/pull/36). Thanks to ignatenkobrain!
* Added `primary` parameter to `zones` resource [35](https://github.com/ns1/ns1-python/pull/35)
IMPROVEMENTS:
* Allow Scopegroups to be loaded by ID [33](https://github.com/ns1/ns1-python/pull/33)