readme gets a better sentence on the cavaets and the C api
readme gets a better sentence on the cavaets and the C api

influxdb/hyperleveldb-go,DanielMorsing/rocksdb,jmhodges/levigo_leveldb_1.4,influxdata/rocksdb,elijahandrews/levigo,influxdata/hyperleveldb-go,dckit/rocksdb,evanphx/levigo,influxdb/levigo,alberts/gorocks,mikefaille/rocksdb-go,jmhodges/levigo,influxdb/rocksdb,chanxuehong/goleveldb