Object Store
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Object store is used for storing small (less than 64KB) binary objects. Objects are referenced by store assigned object ID.
Object store manage pool of binary objects. Objects can be created, destroyed, read or changed. Every object is referenced object id. In case of flash store it's size is limited to 28 bits, ATA store uses 32 bit ids. Package stores should also be able to use 32 bit object ids.
Every store knows objectid of it's "root object". This objects contain references to ALL other objects stored in a store.
Every store is implemntation of TStore protocol.
