1.Rewrite Ucannest  display modular, to realize the faster rendering and the beautiful show result.
2. Add 2 single font : cadhzf.shx，  bigfont.shx。    
3.support to snap the feature point of text.
4.Text reverse： for the Vertical Font ，just exchange the line.
5. Improve the function of the Single Stroke.
6.Add shortcut key customization.
7.Add “Extract Loop”function.
8.Improve the function of “Symbol Library”.  
9.Fix some bugs.