Fix Respect\Validation name
Added Phing

At my point of view the most powerful PHP project build system
Add a missing `-`

Fix a typo in README.md in Miscellaneous part
Merge pull request #22 from LeoColomb/patch-1

Add a missing `-`
Merge pull request #20 from danizord/hotfix/respect-validation-name

Fix Respect\Validation name
Improve framework category descriptions.
+1 Raspberry Pi & GPIO related lib
Remove Twitter handle.
Fixed PHPSpec link

Repository moved.
Merge pull request #33 from gitetsu/patch-1

Fixed PHPSpec link
Add PHPCI (suggestion by @Kristories).
Add RedBean (suggestion by @Leimi).
Add F3.
Add Flysystem.
Add APIGen.
Add Twitter OAuth and REST.
Add Dropbox PHP SDK.
Category description tweak.
Typo.
Rename books category and added new books.