[CM] Snd 16.0

[bil at ccrma.Stanford.EDU]

Snd 16.0:

in s7, the d,f,s,l exponents are now disabled by default (use e,E,@)
        hash-table-size -> length
        append is generic
        make-random-state -> random-state

checked: gtk 3.18.0|1|2, FC 23, OSX 10.11, sbcl 1.2.16

Thanks!: Greg Santucci, Tito Latini