Changes
* 74HC595N,112, $0.378 @ 100: http://search.digikey.com/us/en/products/74HC595N,112/568-1484-5-ND/763088
* CR2032 holder, $0.4968 @ 100: http://search.digikey.com/us/en/products/3003/3003K-ND/227448
* JumperPushbutton, $0.033 0916 @ 100: http://search.digikey.com/us/en/products/SPC02SVGNFSM4JH/450-1650-ND/1632536* DIP switch, $0.6204 @ 100, http://search.digikey.com/us/en/products/210-RC8MS/S9338CT2108MS-ND/26182632503784
* PCB 5cm x 10cm, $1.498 @ 50: http://www.seeedstudio.com/depot/fusion-pcb-service-p-835.html
