Feature
* Added logging for cli overrides on settings ([`5a3d325`](https://github.com/tjtharrison/pytmac/commit/5a3d3254101fd9d806b6832f87ddf597338c1dd8))
* Added error handling for settings file ([`4d8806d`](https://github.com/tjtharrison/pytmac/commit/4d8806d297c5cbefd4b2c5dfc293389ba97f9710))
* Added concept of settings file ([`cec7aa1`](https://github.com/tjtharrison/pytmac/commit/cec7aa1599f605c74f52704a5ed5fa865cbf8560))
Documentation
* Updated docs for .pytmac file ([`546bcb1`](https://github.com/tjtharrison/pytmac/commit/546bcb128ee67ee6303405e40af1c0ee5897da53))