Pixie

Changes for version 2.00

rewrite of orginal pixie idea to make it a little more intelligent
pdcawley added hundreds of useful changes
Pixie::Proxy objects now do deferred loading by default.
Pixie::Proxy works with hash and array based objects
Pixie::Proxy works in the presence of overloaded objects
Pixie::Proxy objects can now be saved. Don't ask why they couldn't. Please.
Separated the 'simple' store from the storage manager portion of Pixie, so we now have Pixie and Pixie::Store::*. The store is responsible simply for saving and fetching 'simple' objects from the store, and provides for locking, unlocking and rolling back the store. But these don't guarantee anything yet.
Pixie now calls lock/unlock in its 'insert/get' methods before handing off to the more 'primitive' methods.
insert/get now use a 'cache' to avoid storing/fetching objects multiple times in a single transaction. Should be possible to extend this to use a single, unified cache.
Introduced 'Pixie::Name' objects, allowing for the naming/labelling of objects with 'well known' names. These look a little like Pixie::Proxy objects, and are generally not visible to the user, who uses Pixie's name related methods to manipulate names.