Make TheVersion more resilient to invalid data

Author: shana

src/GitHub.Api/Primitives/TheVersion.cs

@@ -57,15 +57,14 @@ private TheVersion Initialize(string theVersion)
             special = null;
             parts = 0;
 
-            if (String.IsNullOrEmpty(theVersion))
-                return this;
-
             intParts = new int[PART_COUNT];
             stringParts = new string[PART_COUNT];
-
             for (var i = 0; i < PART_COUNT; i++)
                 stringParts[i] = intParts[i].ToString();
 
+            if (String.IsNullOrEmpty(theVersion))
+                return this;
+
             var match = regex.Match(theVersion);
             if (!match.Success)
             {
@@ -195,9 +194,9 @@ public bool Equals(TheVersion other)
         {
             if (lhs.Version == rhs.Version)
                 return false;
-            if (String.IsNullOrEmpty(lhs.Version))
+            if (!lhs.initialized)
                 return false;
-            if (String.IsNullOrEmpty(rhs.Version))
+            if (!rhs.initialized)
                 return true;
 
             for (var i = 0; i < lhs.parts && i < rhs.parts; i++)