refactored InvalidValueProvidedException to InvalidValueException
implemented InvalidNameException in MeasurementDevice
updated UTestMeasurementDevice to use current Exceptions
implemented InvalidNameException in SiUnit
updated LengthUnit to take handle InvalidNameExceptions
updated WeightUnit to handle InvalidNameExceptions
fixed errormessage of InvalidNameExceptions in SiUnit
fixed errormessage ofInvalidNameException in MeasurementDevice
added InvalidDeviceExpetion
implemented InvalidDeviceException in Measurement
updated UTestMeasurement to use the current exceptions
added InvalidIdException
fixed last commit (InvalidIDException added)
implemented InvalidIDException in Measurement
updated UTestMeasurement to use current Exceptions