Added DIL8 variant to MCP41xxxx, for COM-10613

Added a DIL8 variant (same pinout as the SOT8) to the existing MCP41xxxx
device, to fit COM-10613.
Added COM-10613 reference to device description.
Merge branch 'master' of https://github.com/EagleWorks/SparkFun-Eagle-Libraries into EagleWorks-master