Fixes #4

When using the list command under Inventory the Code column does not
show the complete code. It only shows the first 9 characters.

Our longest current inventory codes are 10 characters long.

* SupplierCreditNotes
- Return only open supplier credit notes by default
- Allow returning of 'open' and 'all' supplier credit notes
- Close creditnote apon full allocation of funds
- Implemented supplier credit note transactions
* SupplierReceipting
- Started work on supplier receipts module, this will preliminary only support generating a receipt against a supplier credit note
* Clients
- Added getClientGLAccountEntries

* SOAP/Plugins/Statements: Don't ignore errors
* SOAP/Plugins/Receipting: Check for errors when sending receipts
* SOAP/Plugins/Inventory: Retrive errors from right module
* SOAP Server:
- Added Invoicing, Receipting & Statements configuration options
- Reworked config file handling, store hash of all config in config module
* Database Schema: Prices must have 2 decimal places
* Config: Cleaned up orphaned code
* SupplierCreditNotes: Parse supplier credit note items properly & pull in linking
* dblayer: use new config mechanism
* Invoicing: use new config mechanism, fixed shipAddr errors
* Statements: use new config mechanism, fixed shipAddr errors
* Receipting: use new config mechanism, fixed shipAddr errors
* Client/cmdline/*: Multiple cosmetic fixes

* Added caching library
* Added first Engine function to get caching library stats

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

* Fixed up return codes when creating an inventory item

* Added preliminary support for payments to suppliers

* 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

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

* 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

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