separate update from drawing
unselect text when editable mode is changed
added utility.FindInLoadedLuaFiles(find)
added lfind command to search loaded lua files
make objects NULL a frame later
updated code to work with markup changes
added pre and post key events
improved ignore mouse behavior
more work on properties control
fixed some editing issues and updated to work with markup changes
fixed text editing not working well with cached rendering
use gui2
added code statistic test