v0.3.0

#4, Clean Code
#5, Duplicate namespace in stylists
#6, Refactory Code
#7, Undefined class Exception
#9, Duplicate adapter in Storage.php
#8, #10 More flexible __construct
#11, Update Examples
#12, visibility of a property driver
#14, add getConfig
#15, the real name in the cache name
#16, Optional data cache
#17, add public_urls
#19, Bugfix url cache
#20, Separation of constructor parameters
#21, Call to undefined method getDriver
#22, Add validation method isAllowedFileType()
#23, add getManager
#24, #25, add tests
#26 Add minimum-stability dev
#27, Update phpdoc