added: render_point
added: res1_inverse
added: _01inverse
added: floor1_inverse2
fixed: name of vorbis_look_floor1
added: assert
added: assert.instanceOf
added: render_line
fixed: array pointer
fixed: pointer offset
added: mdct_backward
removed trailing whitespaces
fixed: mdct_butterflies
fixed: pointer offset (over range)
added: butterfly_first
fixed: loop cands at mdct_backward
fixed: mdct_butterflies

  mdct_butterfly_generic requires float*
  so, use pointer() instead of []
fixed: assert.instanceOf
added: mdct_butterfly_generic
fixed: mdct_butterflies

  mdct_butterfly_32 requires float*,
  so use pointer() instead of []