* GPL license update, downloaded from official site
* Updated license snippet at top of all files
* SOAP Modules are now called Plugins
* Started work on SOAP engine data caching
* New SOAP server config file format

* Fixed bug regarding allocation of payment amounts
* Fixed bug with tracking of inventory items

* Added support for balance brought forward 

* InvoiceNumber changed to InvoiceRef in API
* Remove misc debugging
* Added better support for tracking of tracked inventory items
* Various bugfixes

* Updated database schema
* Return invoice "Paid" status when getting invoice information
* Renamed buildInvoice to sendInvoice
* Fixed bug in payments, where gl_accounts table was used instead of payments table

* Minor bugfixes

* Added support for "last" to be used in GL transactions and entries
* Better support and error checking for payments and payment allocations

* Do not allow duplicate supplier references
* Do not allow duplicate payment references

* Fixed up return codes when creating an inventory item

* Do not allow conflicing account references to be created

* Fixed bug in admin interface when creating clients and not supplying createsubacc param
* Added "Ref conflict" return code

* Only check inventory tracked items when a reference is given

* Simplified getting of supplier info some
* Listing of supplier payments added
* Fixed bug in GL module with regards to linking transactions

* Added preliminary support for payments to suppliers

* Engine modules are now more plugin-like
* Preliminary work on Payments module