Cfbd-json-py

- Fixed spelling errors previously present in earlier versions of this python package.
- Updated the package version to `0.1.2`.

- Cleaned up the formatting of all functions and python code.
- Updated the package version to `0.1.1`.

- Optimized a number of functions in this python package by using `pandas.json_normalize()` instead of looping through the data for some functions.
- Finalized the python package so it can be used by others.
- Updated the package version to `0.1.0`.

- Implemented `cfbd_json_py.ratings.get_cfbd_fpi_ratings()`, a function that allows a user to get Football Power Index (FPI) ratings data directly from the CFBD API.
- Implemented `cfbd_json_py.ratings.get_cfbd_elo_ratings()`, a function that allows a user to get Elo ratings data directly from the CFBD API.
- Implemented `cfbd_json_py.ratings.get_cfbd_sp_plus_conference_ratings()`, a function that allows a user to get Success rate and equivalent Points per play (S&P+) ratings data, grouped by conference, directly from the CFBD API.
- Implemented `cfbd_json_py.ratings.get_cfbd_sp_plus_ratings()`, a function that allows a user to get Success rate and equivalent Points per play (S&P+) ratings data, directly from the CFBD API.
- Implemented `cfbd_json_py.ratings.get_cfbd_sp_plus_ratings()`, a function that allows a user to get Simple Rating System (SRS) ratings data, directly from the CFBD API.
- Updated the package version to `0.0.20`.

- Implemented `cfbd_json_py.stats.get_cfbd_team_stat_categories()`, a function that allows a user to get a list of team stat categories, directly from the CFBD API.
- Implemented `cfbd_json_py.stats.get_cfbd_advanced_team_game_stats()`, a function that allows a user to get advanced CFB team game stats, from the CFBD API.
- Implemented `cfbd_json_py.stats.get_cfbd_advanced_team_season_stats()`, a function that allows a user to get advanced CFB team season stats, from the CFBD API.
- Implemented `cfbd_json_py.stats.get_cfbd_team_season_stats()`, a function that allows a user to get CFB team season stats, from the CFBD API.
- Implemented `cfbd_json_py.metrics.get_cfbd_fg_expected_points()`, a function based off of the recently added `/metrics/fg/ep` endpoint to the CFBD API in version `4.5.2`, which returns the expected points of a field goal for every yard line on a football field.
- Updated the package's GitHub repo to identify the current version of the CFBD API as `"4.5.2"` instead of `"4.5.1"`
- Updated the package version to `0.0.19`.

- Implemented `cfbd_json_py.recruiting.get_cfbd_team_recruiting_group_ratings()`, a function that allows a user to get CFB recruiting data, grouped by the team and position, from the CFBD API.
- Implemented `cfbd_json_py.recruiting.get_cfbd_team_recruiting_ratings()`, a function that allows a user to get team recruiting rankings, from the CFBD API.
- Implemented `cfbd_json_py.recruiting.get_cfbd_player_recruit_ratings()`, a function that allows a user to get a list of players recruited to CFB teams, from the CFBD API.
- Updated the package version to `0.0.18`.