Corrected minor bug in connector.py and PEP8
Added Analog Buffer Bank with multi input and attenuation support
Minor fixes in connector.py and linker.py
Analog To Digital Converter
buffers: enable can be set via both connector and bus
Digital to Analog Converter Module
linker: Linker will now accept bus, connector, list of connector as input
Added Analog Conveters and Buffers Tests - Includes time domain tests
converters: Included USAGE in doc-string