added commands to show NSData as string and image
merged
data visualization feature
fixed variable names
Merge pull request #20 from soniccat/master

Added commands to show NSData as string and image
Merge branch 'master' of https://github.com/facebook/chisel into develop
Update README.md
Update README.md
Merge pull request #38 from dstnbrkr/master

Update README.md
Merge branch 'master' of https://github.com/facebook/chisel into develop