Op4j 1.1 Updates javaRuntype
New functions for FnString in Op4j 1.1.
Op4j version 1.1 has been announced. This version updates
javaRuntype to version 1.2, and adds new FnString functions for
determining whether a String is numeric, a valid number, etc. The
isCalendar function, isEmpty and reverse have all been added to
FnString. The conversion from String into Number has also been