update readme

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Dylan Greene 2016-04-27 15:12:06 -04:00
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@ -29,11 +29,17 @@ randomPuppy()
### randomPuppy()
Returns a random puppy image from http://imgur.com/ from https://www.reddit.com/r/puppy
Returns a `promise` for a random puppy image url from http://imgur.com/ from https://www.reddit.com/r/puppy
### randomPuppy(subreddit)
Returns a random image from the selected subreddit. Warning: We cannot promise it will be a puppy.
Returns a `promise` for a random image url from the selected subreddit. *Warning: We cannot promise it will be a image of a puppy!*
## Notes
* Node 4 or newer.
* Caches results from imgur in memory.
* Created for the purpose of using in a training exercise on different ways to do async in JavaScript at [Opower](https://opower.com/).
## License