returnObjectTrees should not return empty object for number
Add initial specs/implementation for allowing translate()'s key parameter to be an array of keys ordered by priority.
Update README to show key-as-array usage.
Add options to array-key tests just to make sure the expectation is clear that all potential keys must use the same options.
Make use of exists() function that is available to us.
fixed typo
another typo
Merge pull request #149 from russbuelt/master

returnObjectTrees should not return empty object for number
Merge pull request #150 from dpehrson/translate-key-array

Allow translate() to take an array of keys to test, and use the first one that exists.
update to v1.7.1
update bower