Merge pull request #263 from savoirfairelinux/value_cache

README.md

include/opendht/dht.h

include/opendht/dht_proxy_client.h

include/opendht/dht_proxy_server.h

include/opendht/scheduler.h

src/dht.cpp

src/dht_proxy_client.cpp

src/dht_proxy_server.cpp

src/network_engine.cpp

src/op_cache.h

src/search.h

src/value_cache.h

tools/dhtnode.cpp