NAME: thm_ui_update_history PURPOSE: Adds the string input to the state structure history array INPUT: string = a string to add to the history array. Note that this is returned undefined, if it is passed in by reference, i/e/, if it's a named variable. OUTPUT: state.history is updated HISTORY: sep-2006, jmm, jimm@ssl.berkeley.edu 26-feb-2007, jmm, fixed problem with multiple lines when choosing multiple probes, datatypes, sataiotns, etc... 8-may-2007, jmm, changed so that the thm_gui widget id is now passed in, since the history widget is now on the main widget, removed some error checking, if things are undefined in here i want to know $LastChangedBy: cgoethel $ $LastChangedDate: 2008-07-08 08:41:22 -0700 (Tue, 08 Jul 2008) $ $LastChangedRevision: 3261 $ $URL: svn+ssh://thmsvn@ambrosia.ssl.berkeley.edu/repos/spdsoft/trunk/projects/themis/deprecated/thm_ui/thm_ui_update_history.pro $