Removed a dead-end branch
Added actual PHP RocksDB driver (from RocksServer)
Removet from repo https://github.com/valmat/RocksServer
Added tests
Some minor improvements
Rocks.php -> src/Rocks.php
MgetIterator.php -> src/MgetIterator.php
Response.php -> src/Response.php
Added prefix iterator
Changed README.md
in class RocksServer\Client: merged methods tailing() & prefit() to getall()