- made fixes to hkl

- Introduced a help system
- introduced a module for handling automatic updates of files during
  long measurements
- Added a circular buffer and handling facilities to varlog
- Upgraded documentation


SKIPPED:
	psi/faverage.h
	psi/nxamor.tex
	psi/pimotor.h
	psi/pimotor.tex

doc/user/histogram.htm

@@ -75,15 +75,10 @@ for its number type.
 </UL>
 <DT> Rank
 <DD> Rank defines the number of histograms in memory.
-<DT> Length 
-<DD> gives the length of an individual histogram.
 <DT> BinWidth
 <DD> determines the size of a single bin in histogram memory in bytes.
 <DT>dim0, dim1, dim2, ... dimn
-<DD>define the logical dimensions of the histogram. Must be set if the 
- the sum command (see below) is to be used. This is a clutch necessary to 
- cope with the different notions of dimensions in the SINQ histogram memory 
- and physics.
+<DD>define the logical dimensions of the histogram.
 </DL>
 </p>
 <p>
@@ -126,6 +121,8 @@ will be generated starting from start with a stepwidth of step (example: HM genb
 configured with this command. The time bin iNum is set to the value value.
 <DT>HM clearbin
 <DD>Deletes the currently active time binning information. 
+<dt>HM notimebin
+<dd>returns the number of currently configured timebins.
 </DL>
 </p> 
 
@@ -150,6 +147,10 @@ transfer the configuration from the host computer to the actual HM.
 <DD> starts counting using the currently active values for CountMode and
 preset. This command does not block, i.e. in order to inhibit further
 commands from the console, you have to give Success afterwards.
+<DT>HM countblock
+<DD> starts counting using the currently active values for CountMode and
+preset. This command does block, i.e. you can give new commands only when 
+the counting operation finishes. 
 <DT>HM initval <i>val</i>
 <DD> initialises the whole histogram memory to the value val. Ususally 0 in
 order to clear the HM. 
@@ -164,3 +165,5 @@ allow to retrieve a subset of a histogram between iStart and iEnd.
 </p>
 </body>
 </html>
+
+