Update Ruleset

Add in the Squiz sniff for using symbolic, rather than english, logical operators.
Create String ConcatenationSpacing Sniff
Add DocComment Rules

Reference SquizLabs' DocCommentAlignment sniff, and PEAR's FunctionComment sniff to force DocComments in methods. And functions, because that helps too :)
Update ControlSignature Sniff

Extend SquizLabs' sniff, which it was taken from to be modified.
Add Comment to Ruleset
Create ElseNewLine Sniff