- 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/basic.htm

@@ -36,7 +36,19 @@ system for instance file names are case sensitive and that had to be
 preserved. Commands defined in the scripting language are lower case by
 convention.  
 </p>
- 
+<p>
+Most SICS objects also hold the parameters  required for their proper
+operation. The general syntax for handling such parameters is:
+<pre>
+objectname parametername
+</pre>
+prints the current value of the parameter
+</p> 
+<pre>
+objectname parametername newvalue
+</pre>
+sets the parameter value to newvalue if you are properly authorized.
+</p>
 <h3>Authorisation</h3>
 <p>
  A client server system is potentially open to unauthorised hackers