 Usage:  retstr = rpcsendrequest (handle, functionnr, requstr, timeout)  
 
 Input:

  handle                 scalar 
                         
  functionnr             scalar 
                         
  requstr                string 
                         
  timeout                scalar 
                         
 Output:

  retstr                 string 
                         
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(C) MD*TECH Method and Data Technologies, 17.8.2000
