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

(0) -30 -10 -8 +8 +10 +30 +100 +300 +1000 tip

mercurial