Added rawValue accessor for Claims

.gitignore

@@ -88,4 +88,7 @@ Carthage/Build
 fastlane/report.xml
 fastlane/Preview.html
 fastlane/screenshots
-fastlane/test_output
+fastlane/test_output
+
+# Playground Timeline
+timeline.xctimeline

JWTDecode.playground/Contents.swift

@@ -9,7 +9,7 @@ import JWTDecode
 /*: 
 Then paste here the token you wish to decode
 */
-let token = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJodHRwczovL3NhbXBsZXMuYXV0aDAuY29tIiwic3ViIjoiYXV0aDB8MTAxMDEwMTAxMCIsImF1ZCI6Imh0dHBzOi8vc2FtcGxlcy5hdXRoMC5jb20iLCJleHAiOjEzNzI2NzQzMzYsImlhdCI6MTM3MjYzODMzNiwianRpIjoicXdlcnR5MTIzNDU2IiwibmJmIjoxMzcyNjM4MzM2fQ.LvF9wSheCB5xarpydmurWgi9NOZkdES5AbNb_UWk9Ew"
+let token = "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJodHRwczovL3NhbXBsZXMuYXV0aDAuY29tIiwic3ViIjoiYXV0aDB8MTAxMDEwMTAxMCIsImF1ZCI6Imh0dHBzOi8vc2FtcGxlcy5hdXRoMC5jb20iLCJleHAiOjEzNzI2NzQzMzYsImlhdCI6MTM3MjYzODMzNiwianRpIjoicXdlcnR5MTIzNDU2IiwibmJmIjoxMzcyNjM4MzM2LCJlbWFpbCI6InVzZXJAaG9zdC5jb20iLCJjdXN0b20iOlsxLDIsM119.JeMRyHLkcoiqGxd958B6PABKNvhOhIgw-kbjecmhR_E"
 //: You can generate a new token in [jwt.io](http://jwt.io)
 
 /*: 
@@ -44,11 +44,12 @@ do {
     jwt.issuedAt
 //: "exp" (Expiration Time)
     jwt.expiresAt
-
 //: ### Custom Claims
 //: If we also have our custom claims we can retrive them calling `claim<T>(name: String) -> T?` where `T` is the value type of the claim, e.g.: a `String`
 
     _ = jwt.claim(name: "email").string
+
+    _ = jwt.claim(name: "custom").rawValue as? [Int]
 //: ### Error Handling
 //: If the token is invalid an `NSError` will be thrown
 } catch let error as NSError {

JWTDecode/JWTDecode.swift

@@ -79,6 +79,11 @@ public struct Claim {
     /// raw value of the claim
     let value: Any?
 
+    /// original claim value
+    public var rawValue: Any? {
+        return self.value
+    }
+
     /// value of the claim as `String`
     public var string: String? {
         return self.value as? String

JWTDecodeTests/JWTDecodeSpec.swift

@@ -209,6 +209,24 @@ class JWTDecodeSpec: QuickSpec {
                     expect(unknownClaim.double).to(beNil())
                     expect(unknownClaim.date).to(beNil())
                 }
+
+                context("raw claim") {
+
+                    var token: JWT!
+
+                    beforeEach {
+                        token = try! decode(jwt: "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJodHRwczovL3NhbXBsZXMuYXV0aDAuY29tIiwic3ViIjoiYXV0aDB8MTAxMDEwMTAxMCIsImF1ZCI6Imh0dHBzOi8vc2FtcGxlcy5hdXRoMC5jb20iLCJleHAiOjEzNzI2NzQzMzYsImlhdCI6MTM3MjYzODMzNiwianRpIjoicXdlcnR5MTIzNDU2IiwibmJmIjoxMzcyNjM4MzM2LCJlbWFpbCI6InVzZXJAaG9zdC5jb20iLCJjdXN0b20iOlsxLDIsM119.JeMRyHLkcoiqGxd958B6PABKNvhOhIgw-kbjecmhR_E")
+                    }
+
+                    it("should return email") {
+                        expect(token.claim(name: "email").string) == "user@host.com"
+                    }
+
+                    it("should return array") {
+                        expect(token.claim(name: "custom").rawValue as? [Int]).toNot(beNil())
+                    }
+
+                }
             }
         }
     }