v2.11.4

• Fix col_offset attribute for nodes involving with on PyPy.

• Fixed a crash involving two starred expressions: one inside a comprehension,
  both inside a call.

  Refs pylint-dev/pylint#6372

• Made FunctionDef.implicit_parameters return 1 for methods by making
  FunctionDef.is_bound return True, as it does for class methods.

  Closes pylint-dev/pylint#6464

• Fixed a crash when _filter_stmts encounters an EmptyNode.

  Closes pylint-dev/pylint#6438