Layer Selection Bug in 1.7.1.138

[Murfee]

Hi, 

A little bug seems to have crept in the new beta version, when selecting multiple layers the tick boxes only select one layer not all of the selected ones. This works fine in the 1.7 release version. 

[Chris B]

Good catch Murfee—I'll pass it on for you  

[Murfee]

Thanks