[BUG] Resolved issue #2

As mentioned by @AnubisSec in Issue #2, there was an error in the
argument parsing and verification, preventing the execution of
SharpShares when no target list is provided.

This should now be fixed and working as expected.

SharpShares/Program.cs

@@ -18,7 +18,7 @@ static void Main(string[] args)
                 bool success = Utilities.Options.PrintOptions(arguments);
                 if (success)
                 {
-                    if (arguments.targets.Count > 0)
+                    if (arguments.targets != null)
                     {
                         System.Console.WriteLine("[*] Target list provided");
                         hosts = arguments.targets;