version 2.0.0

Added

• Chain::and, Chain::andNot, Chain::or, Chain::orNot methods

Fixed

• All Chain methods now accepts variadic Specification.

Deprecated

• none

Removed

• AndNotX, AndX, OrX, OrNotX, Not classes without replacements you can emulate them via the Chain class usage
• Chain::andX, Chain::andNotX, Chain::orX, Chain::orNotX methods replaced by
  Chain::and, Chain::andNot, Chain::or, Chain::orNot methods