Added increment and drecrement methods to APC cache
Added increment and drecrement methods to database cache
Fixed bug
Fixed bug
Added increment and decrement to memcache cache
Added increment and decrement methods to memcached cache
Added increment and decrement methods to memory cache
Checking if update was successful
Added increment and decrement methods to wincache cache
Added increment and decrement methods to xcache cache
Added increment and decrement methods to redis cache
Improved has method of the file cache
Added increment and decrement methods to abstract cache adapter
Added increment and decrement methods to zend cache
Added increment and decrement methods to the file cache