Added some information about n_mod_precomp vs n_mod2_precomp, etc.
Added some information about n_mod_precomp vs n_mod2_precomp, etc.

fredrik-johansson/flint2,jpflori/flint2,wbhart/flint2,fredrik-johansson/flint2,fredrik-johansson/flint2,dsroche/flint2,dsroche/flint2,wbhart/flint2,wbhart/flint2,dsroche/flint2,jpflori/flint2,jpflori/flint2,dsroche/flint2,jpflori/flint2