Red.js version 0.0.9

• Fixed skip bug.
• Added extract helper function.
• Fixed refinement arguments.
• Improved poke for series! types.
• Unified percent! behavior.
• Added shift native.
• Added trigonometric natives.
• Added nan? and zero? natives.
• Added more math natives.
• Added absolute, negate, and power actions.
• Added (partially incomplete) make/to actions for integer! and float!.
• Added some more helper functions.