Export individual "formatRow" and "formatValue" functions about d3-dsv

[mbostock]

I’m cool with exporting formatRow and formatValue. 👍

[curran]

Concrete tasks appear to include:

• Export formatRow

  d3-dsv/src/dsv.js

  Line 144 in 4972600

  function formatRow(row) {

• Add documentation for formatRow to the README
• Export formatValue

  d3-dsv/src/dsv.js

  Line 148 in 4972600

  function formatValue(value) {

• Add documentation for formatValue to the README

[rdmurphy]

@curran I see now I named the pull request the wrong thing months ago but I've already done those four things here: #58

[curran]

Oh excellent! Somehow I didn't see that PR. Nice work!

[mbostock]

Fixed in 437da9a.