Bookkeeping module

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Update

• Forces SSL if its set to be used in configure.php
• Added "@" to all mysql functions. (don't understand what it does, but it fixed no connect issues)
• Makes the bookkeeping table `bk_expenses` if it has not been made already. (No SQL to upload by the user. The table may change soon to accept encrypted data)
• Shows some customer data for an order number.
• Saves order number as cookie (its the safest way to pass a JavaScript variable to a PHP variable)
• Log in to Zen Cart, admin>tools>Bookkeeping
• Re add display for product sold for an order number
• Re add form for expense per order (with add a row button)

Working on

1. Instruction book
2. browser and server based encryption (goal: all data from client to server and server to client to be encrypted. Considering the possibility to save the data encrypted)
3. Save expense form data after encryption.
4. Vendor / Inventory expense management
5. Reports