#93: Reduce build errors

Models/Token.cs

@@ -1,6 +1,3 @@
-using System;
-using System.Linq;
-
 using Newtonsoft.Json;
 
 
@@ -10,13 +7,13 @@ public class Token
 {
     #region Properties
     [JsonProperty("scope")]
-    public string Scope { get; set; }
+    public string? Scope { get; set; }
     [JsonProperty("exp")]
     public int Expiration { get; set; }
     [JsonProperty("aud")]
-    public string Audience { get; set; }
+    public string? Audience { get; set; }
     [JsonProperty("iss")]
-    public string Issuer { get; set; }
+    public string? Issuer { get; set; }
     [JsonProperty("iat")]
     public int Issued { get; set; }
     #endregion
@@ -24,29 +21,24 @@ public class Token
     #region Methods
     public bool TokenExpired()
     {
-        var result = false;
         var currentDate = DateTime.Now;
-
         var currentDateInSeconds = Math.Floor((currentDate - DateTime.UnixEpoch).TotalSeconds);
-
-        result = (currentDateInSeconds >= Expiration) ? true : false;
+        var result = (currentDateInSeconds >= Expiration) ? true : false;
 
         return result;
     }
 
     public bool ContainsScope(string desiredScope)
     {
-        var result = false;
-        result = Scope.Contains(desiredScope);
+        var result = Scope!.Contains(desiredScope);
 
         return result;
     }
 
     public bool Erroneous()
     {
-        var result = true;
         Func<string, bool> isEmpty = a => string.IsNullOrEmpty(a);
-        result = (!isEmpty(Scope) && !isEmpty(Audience) && !isEmpty(Issuer) &&
+        var result = (!isEmpty(Scope!) && !isEmpty(Audience!) && !isEmpty(Issuer!) &&
             Expiration > 0 && Issued > 0) ? false : true;
 
         return result;