Add syntax check for values (creation of Boundary was a success)

...blenz/fgbks/base/utils/boundary/impl/BooleanBoundary.java

...ikoblenz/fgbks/base/utils/boundary/impl/DateBoundary.java

...oblenz/fgbks/base/utils/boundary/impl/DoubleBoundary.java

...blenz/fgbks/base/utils/boundary/impl/IntegerBoundary.java

...blenz/fgbks/base/utils/boundary/impl/InvalidBoundary.java

...ikoblenz/fgbks/base/utils/boundary/impl/LongBoundary.java

...oblenz/fgbks/base/utils/boundary/impl/StringBoundary.java

...va/de/unikoblenz/fgbks/core/dmn/domain/vdmn/VTypeRef.java

.../verification/verifier/impl/InputValueSyntaxVerifier.java

.../verification/verifier/types/EmptyOutputVerification.java

...ion/verifier/types/IdenticalBusinessRuleVerification.java

...fication/verifier/types/InputValueSyntaxVerification.java