Registers examples added
function name changed from FourBitRegister2 to FourBitLoadRegister
function name changed from FourBitRegister2 to FourBitLoadRegister
pep8
Merge branch 'develop' into newex
Merge branch 'develop' into newex
__repr__ corrected
Typo Fixed
Clock moved to new file
Newline added
Merge pull request #176 from salil93/develop

Clock moved to new file
PEP8
Added Analog sources, Resistor
IC added
IC tests added
Operations overridden
Tests for analog devices
Tests for analog sources
.travis and __init__ updated
Merge branch 'develop' into newex