Make IsPositive() check obsolete and provide IsGreaterThanZero() as a replacement
Make IsNegative() check obsolete and provide IsLessThanZero() as a replacement
Adjust error message for IsGreaterThanZero() check and update the versions of all number types with it (through T4)
Update the release note with the IsGreaterThanZero() stuff
Set the proper values for the number related tests (i.e. the ones that will properly be substituted by the T4 that generates the tests).
Adjust error message for IsLessThanZero() check and update the versions of all number types with it (through T4)
Update the release note with the IsLessThanZero() stuff