Version 0.2.4

• More robust margin argument for diagonalNetwork and radialNetwork allows
  for a single value or specification of top, right, bottom, and left by
  named vector or list.
• Responsive sizing using the viewBox attribute of svg for diagonalNetwork
  and radialNetwork should allow for fitting in the container with no fiddling.

Version 0.2.3

• Internal improvements to reduce dependencies: longer depends on RCurl,
  plyr, and rjson.
• Updated examples:
  • Using jsonlite makes JSONtoDF obsolete with the fromJSON function.
  • All Github data links now use the CDN link from
    rawgit, so the examples should be more inline with
    Github raw policies

Version 0.2.2

• sankeyNetwork
  • Removes forced font family in favor of inherited from css or specified
    through the fontFamily argument
  • Fixes issue with backslashes in the label for links
  • Puts unicode right arrow in the tooltip
  • Adds argument to specify units for the tooltip label
  • Handles cycles by updating this forked
    https://github.com/soxofaan/d3-plugin-captain-sankey
  • Makes assumptions that Source is column 1 and Target is column 2 if not
    provided