This first CRAN release contains the basic functions for the package, and introduces the new basic classes.
tm gives variables in formulas specific roles and behaviors (vectorized)
fmls expands the base formula class into a list of related formulas (vectorized)
mdl are a thin wrapper (vectorized) for statistical models, with important metadata maintained, and are used to generate mdl_tbl objects, which serve as a reference data.frame of a family of modeling objects