- Many fixes to the four circle codes during taking the new code into

operation.
- Fixed some missing output
- Second generation histogram memory and velocity selector objects
- Fixed a problem in diffscan

reflist.c

@@ -652,7 +652,7 @@ int GetRefAngles(pSICSOBJ refl, int idx, double ang[])
 		/* skip hkl */
 		for(i = 0; i < 3; i++, child = child->next){}
 		/* do angles */
-		for(i = 0; i < 4; i++, child = child->next){
+		for(i = 0; i < 4 && child != NULL; i++, child = child->next){
 			ang[i] = child->value.v.doubleValue;
 		}
 		return 1;