* Corrected Inventory's Id property, and updated referencing code
* Corrected DBGetInventory() to select from the Inventory table, not the Customer
* Freshened up the InitalSetup code, should we ever use it again
* Added non-zero default values in Customer's constructor
* Fixed the bug with the search results grid view not properly resizing when a child dialog is resized in the editor. Only visible at runtime
* Inventory Search and Enter/Edit forms are implemented now
* Customer Search and Enter/Edit forms are still WIP (need to add a GetCustomers method in the Employee business layer
* Corrected LogInDialog to use password characters, instead of showing it in plaintext