Replaced System.Text.Json back into the project.
:rocket: Replaced Newtonsoft.Json with System.Text.Json (again!) (#39) * :rocket: Replaced Newtonsoft.Json with System.Text.Json (again!) * More tests for CodeCoverage. * :lipstick: PR feedback.
:rocket: Replaced Newtonsoft.Json with System.Text.Json (again!) (#39) * :rocket: Replaced Newtonsoft.Json with System.Text.Json (again!) * More tests for CodeCoverage. * :lipstick: PR feedback.