Fixed problem with crash in Detection.lua.

When DetectionObject is nil (this can be), or is destroyed in between
detections, then nil must be returned and IsDetectedObjectIdentified is
not required to be checked.

Moose Development/Moose/Functional/Detection.lua

@@ -1250,19 +1250,23 @@ do -- DETECTION_BASE
   -- @param #DETECTION_BASE.DetectedObject DetectedObject
   -- @return #boolean true if already identified.
   function DETECTION_BASE:IsDetectedObjectIdentified( DetectedObject )
-    self:F3( DetectedObject.Name )
+    --self:F3( DetectedObject.Name )
   
     local DetectedObjectName = DetectedObject.Name
+    if DetectedObjectName then
       local DetectedObjectIdentified = self.DetectedObjectsIdentified[DetectedObjectName] == true
       self:T3( DetectedObjectIdentified )
       return DetectedObjectIdentified
+    else
+      return nil
+    end
   end
   
   --- Identifies a detected object during detection processing.
   -- @param #DETECTION_BASE self
   -- @param #DETECTION_BASE.DetectedObject DetectedObject
   function DETECTION_BASE:IdentifyDetectedObject( DetectedObject )
-    self:F( { "Identified:", DetectedObject.Name } )
+    --self:F( { "Identified:", DetectedObject.Name } )
   
     local DetectedObjectName = DetectedObject.Name
     self.DetectedObjectsIdentified[DetectedObjectName] = true
@@ -1289,11 +1293,12 @@ do -- DETECTION_BASE
   -- @param #string ObjectName
   -- @return #DETECTION_BASE.DetectedObject
   function DETECTION_BASE:GetDetectedObject( ObjectName )
-  	self:F2( ObjectName )
+  	--self:F2( ObjectName )
     
     if ObjectName then
       local DetectedObject = self.DetectedObjects[ObjectName]
       
+      if DetectedObject then
         -- Only return detected objects that are alive!
         local DetectedUnit = UNIT:FindByName( ObjectName )
         if DetectedUnit and DetectedUnit:IsAlive() then
@@ -1302,6 +1307,7 @@ do -- DETECTION_BASE
           end
         end
       end
+    end
     
     return nil
   end