Main program for "analogic" numeric watch

Code will work with my own design, available : https://oshpark.com/shared_projects/29Yy2Qri

Microcontroller is an Atmel ATTiny88. http://www.atmel.com/images/doc8008.pdf

Idea inspired from : http://spikenzielabs.com/SpikenzieLabs/SolderTime.html