[Refactor] type-safe air node by defnode

[hikettei]

• Pass all tests w/ VM=1
• Use placeholder instead of (car node-writes ...) ?
• we do not want to initialize a numerous amount of CLOS classes
• fix for double-float in ccl
• docgen
• Check they are dumpable and merge

[hikettei]

Initializing attributes 1000000 times, thanks to SBCL's optimization, is much faster than even making nodes.

CATEN/AASM> (time
	     (dotimes (i 1000000)
	       (make-node :A :A nil nil)))
Evaluation took:
  0.104 seconds of real time
  0.103185 seconds of total run time (0.100795 user, 0.002390 system)
  99.04% CPU
  288,025,856 bytes consed
  
NIL
CATEN/AASM> (time
	     (dotimes (i 1000000)
	       (make-instance 'NEG-Attr :_type_relay t)))
Evaluation took:
  0.013 seconds of real time
  0.013103 seconds of total run time (0.012579 user, 0.000524 system)
  100.00% CPU
  41 lambdas converted
  112,890,368 bytes consed
  
NIL
CATEN/AASM> (time
	     (dotimes (i 1000000)
	       (make-instance 'NEG-Attr :_type_relay t)))
Evaluation took:
  0.009 seconds of real time
  0.009780 seconds of total run time (0.009761 user, 0.000019 system)
  111.11% CPU
  111,973,680 bytes consed
  
NIL
CATEN/AASM>  (defstruct (Hoge) (x 1) (y 1))
CATEN/AASM> (time
	     (dotimes (i 1000000)
	       (make-hoge)))
Evaluation took:
  0.007 seconds of real time
  0.007072 seconds of total run time (0.003108 user, 0.003964 system)
  100.00% CPU
  32,047,104 bytes consed

[hikettei]

No significant performance decrease were seen in main vs this PR
main:
JIT=1

* (time (caten (!rand `(n))))
Evaluation took:
  4.672 seconds of real time
  4.187063 seconds of total run time (4.103280 user, 0.083783 system)
  89.62% CPU
  48 forms interpreted
  231 lambdas converted
  176,127,920 bytes consed

This PR

CATEN> (time (caten (!rand `(n))))
Evaluation took:
  5.627 seconds of real time
  4.535812 seconds of total run time (4.094729 user, 0.441083 system)
  80.61% CPU
  48 forms interpreted
  231 lambdas converted
  182,998,464 bytes consed

[hikettei]

JIT=0
main:

* Evaluation took:
  2.872 seconds of real time
  2.729233 seconds of total run time (2.692141 user, 0.037092 system)
  95.02% CPU
  138,688,272 bytes consed

CATEN> (time (caten (!rand `(n))))
Evaluation took:
  2.822 seconds of real time
  2.728588 seconds of total run time (2.671705 user, 0.056883 system)
  96.70% CPU
  143,662,192 bytes consed