Fix issue with partials

Author: geoperez

src/Unosquare.Labs.EmbedIO/Modules/StaticFilesModule.cs

@@ -436,15 +436,15 @@ private static bool CalculateRange(string partialHeader, long fileSize, out int
                  string.IsNullOrWhiteSpace(range[1])) ||
                 (range.Length == 1 && int.TryParse(range[0], out lowerByteIndex)))
             {
-                upperByteIndex = (int) fileSize - 1;
+                upperByteIndex = (int) fileSize;
                 return true;
             }
 
             if (range.Length == 2 && string.IsNullOrWhiteSpace(range[0]) &&
                 int.TryParse(range[1], out upperByteIndex))
             {
                 lowerByteIndex = (int) fileSize - upperByteIndex;
-                upperByteIndex = (int) fileSize - 1;
+                upperByteIndex = (int) fileSize;
                 return true;
             }
 

src/Unosquare.Labs.EmbedIO/project.json

@@ -1,5 +1,5 @@
 {
-  "version": "1.0.0-*",
+  "version": "1.2.3-*",
   "buildOptions": {
     "xmlDoc": true
   },

test/Unosquare.Labs.EmbedIO.Tests/StaticFilesModuleTest.cs

@@ -338,13 +338,13 @@ public async Task FileWritable()
 
             using (var server = new WebServer(endpoint, Logger))
             {
-                server.RegisterModule(new StaticFilesModule(root));
+                server.RegisterModule(new StaticFilesModule(root) { UseRamCache = false });
                 var serverTask = server.RunAsync();
 
                 var webClient = new HttpClient();
                 var remoteFile = await webClient.GetStringAsync(endpoint);
                 File.WriteAllText(file, Resources.SubIndex);
-                await Task.Delay(100);
+                
                 var remoteUpdatedFile = await webClient.GetStringAsync(endpoint);
                 File.WriteAllText(file, nameof(WebServer));