* Fixed up database schema a bit

* Added TODO to make SMTP more sane

* Finalized two types of addresses, shipping & billing
* Fixed various bugs regarding "Unit"'s
* Return tax reference in purchasing module
* Parse invoice item description
* Don't use database transactions if we don't need to
* Added invoice generation to admin interface

* Fixed discounts to work on supplier and client invoices
* Precision when calculating amounts that have decimals is set to 4
* Various comment fixups
* Fixed database representation of money types
* Quantity is now a number which can have 4 decimal places
* Fixed database transactions vs. AutoCommit, AutoCommit ON achives what we want
* Added "Discountable" hash entry to inventory items returned by Inventory module
* Added function "linkTransactionByRef" to GL module
* Various admin interface changes and fixups

* Updated VAT accounts for south africa
* Added engine module for future use

* Added support for creating sub accounts for clients & suppliers in the relevant journals
* Various bug fixes
* Return more data when returning a GL account

* Revised GL accounts again

* Added contrib directory with books, this will contain sets of books which can be used as templates
* Added backend support for adding GL accounts
* Added support to admin interface to add GL accounts
* Lots of admin interface fixups and changes

* Client invoicing should now work, hopefully its stable enough for use
* Various inventory changes, including cost & sale price tracking for tracked items
* Various purchasing bugfixes & changes
* Admin interface fixes

* Various purchasing & inventory cleanups

* Added support for clients

* Purchasing is now fully functional
* Updated command-line interface to show inventory item mode

* Added inventory updating to supplier invoicing, now supports updating inventory items of type bulk & track

* Added product "mode"'s  for tracked and bulk products
* Added tracking of product support to purchasing module
* Added quantity-on-hand for inventory items
* Added avgcostprice to inventory items with mode = bulk
* Added inventory change support to database structure
* Various GL additions and changes
* Added (still not working) posting of supplier invoices
* Fixed up formatting of output in command-line admin interface

- Items can be added to an invoice
- Posting of invoices still needs to be done
* Various other fixes & changes

* Ignore foreign key checks when creating database

* Updated invoice structure for invoices using supplier invoices design

* Various backend database interface cleanups & changes
* More data verification in backend
* Various command-line frontend fixups

* Started to add linking of items to supplier invoices

* Various bug fixes to SOAP engine

* Added basic inventory management
* Added basic supplier management
* Purchasing, Invoicing, Suppliers and Clients modules are work in progress

* Added more feature to inventory module
* Various smaller fixes

* Fixed some typos