- fixed a bug in amorstat which resulted in bad scan axis to be sent

- added GetSoftVar to scan module.
- Made sps moddule give up only after three tries to get command through
- Added build script

doc/programmer/optimise.tex

@@ -141,6 +141,8 @@ The interface to this object looks like this:
 \mbox{}\verb@#define SCANABORT  -4@\\
 \mbox{}\verb@#define SYSERROR   -5@\\
 \mbox{}\verb@#define DRIVEERROR -6@\\
+\mbox{}\verb@#define VARREDO    -7@\\
+\mbox{}\verb@@\\
 \mbox{}\verb@@\\
 \mbox{}\verb@  void OptimiserClear(pOptimise self);@\\
 \mbox{}\verb@  int  OptimiserAdd(pOptimise self,@\\