Fixed #21.

* Replaced WCF with PzS in ruleset.xml
* Removed obsolete PCRE sniff
Merge pull request #22 from frmwrk123/fix/21

Fixed #21.
Fixed #19.

* Added use statement for SystemException.
Merge pull request #20 from frmwrk123/fix/19

Fixed #19.
Prepare for rc 1.
Added file update instruction.
Resolves #23.

* Added UltimateTagCloud
* Added UltimateTagCloudCacheBuilder
Merge pull request #24 from frmwrk123/fix/23

Resolves #23.
Resolves #23.

* Fixed an issue with preserving the array keys
Added missing method calculateSize.
Merge pull request #25 from frmwrk123/fix/23

Resolves #23.
Resolves #23 once and for all

* Fixed sorting in UltimateTagCloud
Merge pull request #26 from frmwrk123/fix/23

Resolves #23 once and for all
Update update instructions.

* Updated release date
* Updated required versions
* Updated tar file generation
Merge pull request #18 from frmwrk123/prepare/rc1

Prepare for rc 1.
Merge branch 'dev'