…r all methods and class; update typing annotations; define property `checks`

…od instance)...this improves readability of documentation without hindering functionality

…t decorator `check_values`

…ues`, `test_cv_method__check_value`, and `test_cv_preserves_signature`; define a `foo` function to be wrapped (bound to `TestCheckValues`

…fine more parameters that defined by function; move this PlasmaPyWarning from CheckValues.__call__ to CheckValues._get_checks

…d **kwargs of the wrapped function

…() parameter is not in BoundArguments.arguments since BoundArguments.apply_defaults() is called ahead of time and covers this case

… class `CheckValues` called as a decorator

…rity

… attribute `_check_defaults` (being more pythonic!); updated tests accordingly

…g`; define __all__

… and to the __all__

…orators; include in __all__

…`equivalencies`, add comments to `_default_checks`, fix improper indent when defining/conditioning 'equivalencies'

… and 'pass_equivalent_units'

…ntation readability

…nt_validators

# Conflicts:
#	plasmapy/formulary/tests/test_transport.py
#	plasmapy/utils/decorators/__init__.py
#	plasmapy/utils/decorators/checks.py
#	plasmapy/utils/decorators/tests/test_checks.py
#	plasmapy/utils/decorators/tests/test_validators.py
#	plasmapy/utils/decorators/validators.py

… referencing bug outlined in issue PlasmaPy#726...add raising of NotImplementedError

…ntial_interp` with `pytest.mark.xfail`

…`_chemical_potential_interp`

…alidate_quantities

…Error is made redundant by decorator `validate_quantities()`