broom.helpers 1.6.0

New supported models

• Support for plm::plm() models (#140)

New features

• The .formula_list_to_named_list() now respects the select_single=
  argument for all inputs types. Previously, named lists were ignored.
• Added new argument .formula_list_to_named_list(null_allowed=) argument
  that works in conjunction with type_check= asserting the class/type of
  the RHS of the formula (or the value of the named list) (#137)
• Better error message in .formula_list_to_named_list() (#136)

Bug fixes

• Fix so .formula_list_to_named_list(type_check=) checks RHS of a formula
  and the value of named list. (#138)