add DDR of current FM-Parameters file

encoded in UTF-8
(this is required for it to be read as a text file by GitHub)
modify tests for #

Evaluate in a Let statement and test for EvaluationError = 0.
Previously a few tests did this, but I added it to all tests.
modify tests for #

Add evaluateErrorActual, which tests for an evaluation error
returned by just the # function:

    EvaluationError ( # ( $name ; $value ) )
modify # custom function to not return an EvaluationError

fixes #26
Merge pull request #27 from dansmith65/#fix

modify # custom function to not return an EvaluationError