- 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

conman.h

@@ -47,6 +47,7 @@ typedef struct __SConnection {
   writeFunc write;              /* function doing writing */
   int sicsError;                /* Tcl interpreter requirement */
   pDynString data;              /* for I/O buffering */
+  int dataOwner;                /* marking a connection owning an I/O buffer */
   writeFunc oldWriteFunc;       /* saved write function used in I/O buffering */
   long iCmdCtr;                 /* sycamore protocol  used */
   int conEventType;             /* sycamore protocol support */