V0.0.4[*] & V0.1.10[+]

+CWidgetList: fix bug of function ResetWidget()
V0.0.4[*] & V0.1.11[+]

+CGraphicsWidget: Add function to enable or disable mouse drag action
+CImgWidget: Fix a bug of scaling image
+CTextWidget: Add functions to control widget size
+CTextWidget: Add a function to set text color
+CWidgetList: Fix bugs of scrollbar
+CWidgetList: Fix bugs of memory allocation