Actor.hasRelationship(Type1, Type2, ..., TypeN)

USE:
Checks to see if this NPC is already in a special relationship of a specific type or another with any another NPC. The list for 'Type':
- Dating
- Spouses
- Siblings
- ParentChild
- Cousins
- BossEmployee
- Colleagues

TYPE: Condition, non-Ref
RETURNS: bool
THEME: NPC-NPC
COMPARE: addNPCRelationship, removeNPCRelationship

EXAMPLE:
    If John.hasRelationship(Dating, Spouses)  || John.isDating()
        "John is taken, ladies ..."
    Else
        "John is available, ladies!"
    Endif