Added MAX13450E part to interface lib
MAX13450E part: fixing grid
MAX13450E part: fixing pins length
MAX13450E part: all 'pins ends' lying on 100mil grid
Added symbols for MCP41xxx digital potentiometers
Merge pull request #71 from ricardocrudo/master

Added MAX13450E part to interface lib
Text size for MCP41010 value and reference fields changed to KLC standard 50 mil
MCP41010 reference designator changed to U
Merge pull request #77 from arunisaac/master

Added symbols for MCP41xxx digital potentiometers