ght version of client interface on top of BTREE database
                 abstractions strive to support the basic features: </div>
            <div>
                 <ul><li>Polymorphic tuples aka extensible records;</li>
                     <li>Basic schema for chain storage;</li>
                     <li>Backends: MNESIA, FS, ROCKSDB, SPANDB;</li>
                     <li>Extremely compact and battle-tested: 500 LOC.</li></ul>
            </div>
            <div>This is an essence and fruit of KVS; the 