Create MCP7940.cpp
Create MCP7940.cpp

Operational code to integrate the MCP7940 into Arduino code. Functions added:
 - Date and time adjustment (can accept user input to manually adjust time)
 - Now (pulls current date and time from the chip's registers)
 - Set Alarm (sets interval for trigger on multi-function pin)
 - Ordinal Date (converts the current date into ordinal (julian) date; includes leap year support)
crako1t/MCP7940-library-for-logger