literature review for JSS paper

need to dig up a _reasonable_ selection of the literature on Flury-Gautschi, CPC, partial CPC, etc.; also modern approaches to CPC such as Browne and McNicholas ... for intro to JSS paper. Mention `FGalgorithm` package, etc..

Start with the issue's named topics: Flury-Gautschi, CPC, partial CPC, modern CPC approaches, and the FGalgorithm package. Identify the repository's paper or introduction materials, if present, and define completion as adding a reasonable literature selection and package mention to the JSS paper introduction.

Written by the indexing model from the issue text.