API Basejump: Image Search Abstraction Layer

User stories:
I can get the image URLs, alt text and page urls for a set of images relating to a given search string.
I can paginate through the responses by adding a ?offset=2 parameter to the URL.
I can get a list of the most recently submitted search strings.
Images Search Example Usage:
Find Latest Images Example Usage:
Images Search Example Output:
[
 {
  imgUrl: "https://cdn-images-1.medium.com/max/400/1*5uG9wzkw91KX-H75HjvrhQ.png",
  altText: "Freecodecamp",
  thumbnailUrl: "http://ts3.mm.bing.net/th?id=OIP.Mde3a6133082cf34c0d53fad01f1c7c76o0&pid=15.1",
  pageUrl: "https://medium.com/swlh/10-great-websites-to-learn-coding-ff7e411d708d"
 },
 ...
]
Find Latest Images Example Output:
[
 {
  searchTerm: "freecodecamp",
  firstSearchedAt: "6/6/2016, 7:10:31 PM",
  recentlySearchedAt: "6/6/2016, 7:13:40 PM"
 },
 ...
]