Allow packages to define array variables.
Allow packages to define array variables.

Submitted-by: DanielH

pfsense/pfsense,NOYB/pfsense,NOYB/pfsense,dennypage/pfsense,phil-davis/pfsense,jxmx/pfsense,jxmx/pfsense,pfsense/pfsense,pfsense/pfsense,NOYB/pfsense,BlackstarGroup/pfsense,dennypage/pfsense,ch1c4um/pfsense,brunostein/pfsense,phil-davis/pfsense,ch1c4um/pfsense,ptorsten/pfsense,NewEraCracker/pfsense,ch1c4um/pfsense,NewEraCracker/pfsense,dennypage/pfsense,jxmx/pfsense,brunostein/pfsense,BlackstarGroup/pfsense,brunostein/pfsense,NewEraCracker/pfsense,ptorsten/pfsense,pfsense/pfsense,phil-davis/pfsense,phil-davis/pfsense,NewEraCracker/pfsense,dennypage/pfsense,ptorsten/pfsense,BlackstarGroup/pfsense,BlackstarGroup/pfsense,ch1c4um/pfsense