Add support for varargs with null parameter values
Add support for varargs with empty call
Add support for varargs with null word
MVEL-286 var-args support has issues with null arguments and 0 arguments
Merge pull request #1 from dfeist/mvel-286

MVEL-286 var-args support has issues with null arguments and 0 arguments
Merge pull request #49 from machaval/master

Fixing issues with var args when invoking it with null value or empty args