phpredis 4.3.0

This is probably the latest release with PHP 5 suport!!!

• Proper persistent connections pooling implementation [a3703820, c76e00fb, 0433dc03, c75b3b93] (Pavlo Yatsukhnenko)
• RedisArray auth [b5549cff, 339cfa2b, 6b411aa8] (Pavlo Yatsukhnenko)
• Use zend_string for storing key hashing algorithm [8cd165df, 64e6a57f] (Pavlo Yatsukhnenko)
• Add ZPOPMAX and ZPOPMIN support [46f03561, f89e941a, 2ec7d91a] (@mbezhanov, Michael Grunder)
• Implement GEORADIUS_RO and GEORADIUSBYMEMBER_RO [22d81a94] (Michael Grunder)
• Add callback parameter to subscribe/psubscribe arginfo [0653ff31] (Pavlo Yatsukhnenko)
• Don't check the number affected keys in PS_UPDATE_TIMESTAMP_FUNC [b00060ce] (Pavlo Yatsukhnenko)
• Xgroup updates [15995c06] (Michael Grunder)
• RedisCluster auth [c5994f2a] (Pavlo Yatsukhnenko)
• Cancel pipeline mode without executing commands [789256d7] (Pavlo Yatsukhnenko)
• Use zend_string for pipeline_cmd [e98f5116] (Pavlo Yatsukhnenko)
• Different key hashing algorithms from hash extension [850027ff] (Pavlo Yatsukhnenko)
• Breaking the lock acquire loop in case of network problems [61889cd7] (@SkydiveMarius)
• Implement consistent hashing algorithm for RedisArray [bb32e6f3, 71922bf1] (Pavlo Yatsukhnenko)
• Use zend_string for storing RedisArray hosts [602740d3, 3e7e1c83] (Pavlo Yatsukhnenko)
• Update lzf_compress to be compatible with PECL lzf extension [b27fd430] (@jrchamp)
• Fix RedisCluster keys memory leak [3b56b7db] (Michael Grunder)
• Directly use return_value in RedisCluster::keys method [ad10a49e] (Pavlo Yatsukhnenko)
• Fix segfault in Redis Cluster with inconsistent configuration [72749916, 6e455e2e] (Pavlo Yatsukhnenko)
• Masters info leakfix [91bd7426] (Michael Grunder)
• Refactor redis_sock_read_bulk_reply [bc4dbc4b] (Pavlo Yatsukhnenko)
• Remove unused parameter lazy_connect from redis_sock_create [c0793e8b] (Pavlo Yatsukhnenko)
• Remove useless ZEND_ACC_[C|D]TOR. [bc9b5597] (@twosee)
• Documentation improvements (@fanjiapeng, @alexander-schranz, @hmc, Pavlo Yatsukhnenko, Michael Grunder)