Thanks to jiaweihli underscore.py now supports both python 2 and 3
0.1.3
Implements new methods from underscore.js
ADD: `where`, `findWhere`, `pairs`, `invert`, `partial`, `indexBy` and `random` ADD: tests for these new methods FIX: return object instead of list if there is only one item `groupBy` FIX: timing on async tests