fixed Issue 80:  	 New file doesn't ask to save
fixed Issue 80:  	 New file doesn't ask to save
satovey/heekscad,satovey/heekscad,satovey/heekscad,Funcan/heekscad,Funcan/heekscad,Funcan/heekscad,haiqiangwang/heekscad,satovey/heekscad,haiqiangwang/heekscad,haiqiangwang/heekscad,haiqiangwang/heekscad,Funcan/heekscad