Updated README
Updated README
Logic Gates reimplemented

Connector class implemented to work with the refactored gates
Removed previous implementations of gates and sequential objects
Added Sequential Elements, SRLatch and DFlipFlop
Added Decoder
Combinational Circuits modified
Tests added
Merge branch 'develop' of https://github.com/BinPy/BinPy into develop
updated repo
updated repo
Merge remote-tracking branch 'upstream/develop' into develop
Fix for the none values in evaluate function
Merge pull request #51 from jp111/new
Documentation Updated
Documentation Updated
Merge pull request #52 from salil93/doc

Documentation Updated
ic included
series_7400 included
Some New ICs added with refactored classes