- moved DoubleTime to nserver.c

- skip ascii nuls in standard handler

ascon.h

@@ -79,11 +79,6 @@ char *AsconGetError(Ascon *a);
  */
 char *ConcatArgs(int argc, char *argv[]);
 
-/** \brief function for dealing with times with microsec resolution
- *  \return absolute time as double value
- */
-double DoubleTime(void);
-
 /** \brief emit an error message. The state switches to AsconFailed.
  *  \param a the connection
  *  \param msg, a message to be emitted