v0.2.1

• Fix elasticOut and elasticInOut to be consistent with elasticIn.
• Fix interpretation of s parameter in backInOut to be consistent with backIn and backOut.

v0.2.0

• Expose easing functions as symbols rather than strings (e.g., cubic instead of "cubic") .

v0.1.5

• Define d3-ease module (and d3_ease global), not ease.

v0.1.4

• Adjust the package.json definition for npm users.

v0.1.3

• Remove Map polyfill.

v0.1.2

First official release!