some fixes

added memstream to ucx - still little work to do

fixed map tests + used tmpfiles in tests

added logging API

added ucx_map_remove

added ucx_map_copy and fixed ucx_map_rehash

added rehashing to maps by using clone function

moved allocator to seperate file

Merge with 22fb97e9f58a0a8b18db7f81b7392dae0cd64571

map can now load values from file into pooled memory

(0) -10 +10 +100 +300 +1000 tip

mercurial