tests: added tests for Cache::save() and Cache::load()
Merge pull request #5 from mkoubik/tests-for-save-and-load

Tests for Cache::save() and Cache::load()
.travis: added code checker
added CacheExtension
CacheExtension: removed dependency on container parameters
Cache - return value fixed
Merge pull request #6 from TomasVotruba/patch-1

Cache - return value fixed
tests: fixed php-win.ini
removed dead code
Update SQLiteStorage.php

Missing execution on clean ALL
Merge pull request #9 from stenlyk/patch-1

Update SQLiteStorage.php
typos
travis: code-checker checks whole repository
MemcachedStorage: the key must not include control characters or whitespace [Closes #13]

https://github.com/memcached/memcached/blob/master/doc/protocol.txt#L41
Travis: install apcu
ApcuStorage: user cache from APC