Initial commit; substitutions can be reviewed, no further functionality implemented yet

Pods/SwiftSoup/Sources/ArrayExt.swift

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+//
+//  ArrayExt.swift
+//  SwifSoup
+//
+//  Created by Nabil Chatbi on 05/10/16.
+//  Copyright © 2016 Nabil Chatbi.. All rights reserved.
+//
+
+import Foundation
+
+extension Array where Element : Equatable {
+    func lastIndexOf(_ e: Element) -> Int {
+        for pos in (0..<self.count).reversed() {
+            let next = self[pos]
+            if (next == e) {
+                return pos
+            }
+        }
+        return -1
+    }
+}