(WIP) draw improvement
(WIP) draw improvement

ms-iot/virtual-shields-arduino,webhost/virtual-shields-arduino,webhost/virtual-shields-arduino,JimGaleForce/virtual-shields-arduino,ashumeow/virtual-shields-arduino,JimGaleForce/virtual-shields-arduino,webhost/virtual-shields-arduino,zfields/virtual-shields-arduino,zfields/virtual-shields-arduino,ms-iot/virtual-shields-arduino,ashumeow/virtual-shields-arduino,ashumeow/virtual-shields-arduino,webhost/virtual-shields-arduino,ashumeow/virtual-shields-arduino