added a isVisible boolean property
added a isVisible boolean property

mwaylabs/bikini,FractalBobz/The-M-Project,FractalBobz/The-M-Project,mwaylabs/bikini,comlaterra/The-M-Project,mwaylabs/bikini,FractalBobz/The-M-Project,comlaterra/The-M-Project,comlaterra/The-M-Project