Added MAX13450E part to interface lib
MAX13450E part: fixing grid
MAX13450E part: fixing pins length
MAX13450E part: all 'pins ends' lying on 100mil grid
Merge pull request #71 from ricardocrudo/master

Added MAX13450E part to interface lib
Merge pull request #77 from arunisaac/master

Added symbols for MCP41xxx digital potentiometers