Tell sentry to ignore some noisy messages, add a bounds check on an API, and tweak some ERRORs to be WARNINGs to better reflect their severity. (#216)

API/Startup.cs

@@ -1,4 +1,5 @@
 using System;
+using System.IO;
 using System.IO.Compression;
 using System.Linq;
 using System.Reflection;
@@ -147,5 +148,7 @@ namespace API
             System.Threading.Thread.Sleep(1000);
             Console.WriteLine("You may now close the application window.");
         }
+        
+        
     }
 }