Updateed some formatting and bug fixes

Fixed inconsistencies in queries that would result in errors because
the parameters were missing. Updating a guest is an example that had
this issue. After checking parameters should all be supplied where
needed.

OpheliasOasis/Models/Guest.cs

@@ -80,6 +80,7 @@ namespace Ophelias.Models
             {
                 using SQLiteCommand cmd = Manager.con.CreateCommand(); // Creates a new command that will be executed in the database
                 cmd.CommandText = QueryBuilder.UpdateGuest(Id, FirstName, LastName, Email, CreditCard, Expiration, CCV);
+                cmd.Parameters.AddWithValue("@Id", Id);
                 cmd.Parameters.AddWithValue("@Fname", FirstName);
                 cmd.Parameters.AddWithValue("@Lname", LastName);
                 cmd.Parameters.AddWithValue("@Email", Email);