title: Unable to find a specification for `SwiftJSON (= 3.1.4)`
body: <p>Error while installing cocoa pods in my Xcode project
  Unable to find a specification for <code>SwiftJSON (= 3.1.4)</code></p>
  
  <p><img src="https://i.stack.imgur.com/yg0qH.png" alt="enter image description here"></p>
  
  <p><img src="https://i.stack.imgur.com/btucY.png" alt="enter image description here"></p>