(+) new/free are back
    (*) testes de acc
(^) ntrail on org
    (^) ceu_trails_go: no ntrls
(-) `:=´
(^) awake blk first, then orgs
(+) constructor for orgs
(+) `spawn´
    (*) TODO: return value
(+) spawn ret val
(^) mem.lua uses Stmts (wclocks/ands)
(-) bug on spawn free
(^) `pause/if´ is back