ActionExceptions

Exceptions with the press, enter and check methods are handled (with minor inconsistency)

Changed to put errors in the correct cells

fitLib.FixtureFixture
fixturefit.ActionFixture
startfitLib.specify.ActionFixtureUnderTest
--eenterenterThrowsa string
--eenterenterThrowserror
-epresspressThrows
--echeckcheckThrows0