PHP7 release of memcached extension. Note that support for libmemcached 0.x series has been discontinued
and the oldest actively tested version is 1.0.2. It is highly recommended to use version 1.0.18 of
libmemcached.
Fixes
* Update warning for touch command in binary protocol mode with libmemcached below 1.0.18 (#322)
* Add tests for 64-bit increment/decrement/incrementByKey/decrementByKey (#321)
* Fix tests for 32-bit increment/decrement/incrementByKey/decrementByKey (#319)