Fixes exception with backends that do not support increments

fixing start/end with storage that does not support increment invalid…

…ation

Fixes expected exception

Fixes exceptions in cacheEnd() on certain backends

clearAll fixed and CacheData API changed for consistency

CacheAbstract::clearAll was not working at all and the CacheData object acceped and incosistency set of parameteres that allowed some incoherent uses.

Fixed permissions issue in cachefs (for real this time)

1.0.5

cache folders with proper permission for groups

Fixed permissions issue in cachefs

v1.0.4

fixing permission on cachefs

Fixed typo

Crashed cachearium with ig_binary

Release v.1.0.2, minor internal fixes and docs

Improved documentation and made some minor internal fixes.

Minor fixes v1.0.1

Minor fixes, mostly in logs and profiling.

Released v1.0.0

First official release.