[CM] Snd 21.3

[bil at ccrma.Stanford.EDU]

Snd 21.3:

s7: tools/tgsl.scm
     removed deprecated nan.0 and inf.0 (use +nan.0 etc)
     added vector-rank, vector-dimension
     added s7_make_c_object_without_gc
     if you're using s7_optimize, it now returns an s7_pfunc, not an 
s7_function.

checked: notcurses 2.2.3, sbcl 2.1.3

Thanks!: Manuel, Christos Vagias