The purpose of this commit is to provide the commit message for the previous commit (which I forgot to add). Merged mesa_spergelpress into master. There are now 3 heat transport formalisms: GR, SP, and GR rescaled to match MC. Also changed the nonlinear solver for Twimp to a binary search (more robust but slower).
The purpose of this commit is to provide the commit message for the previous commit (which I forgot to add). Merged mesa_spergelpress into master. There are now 3 heat transport formalisms: GR, SP, and GR rescaled to match MC. Also changed the nonlinear solver for Twimp to a binary search (more robust but slower).

aaronvincent/captngen