Trie improvement
+ fixed for db save/load (rlp bug)
+ garbage collector for obsolete trie nodes
Trie
 +fixing the bug of loading Trie from the db
 +Tracing full tree improved - now it traverse the trie recursively from the root
Trie - going on
 +turning off the garbage collector for a while , it should be better tested
 + dump of the full trie to the files each block
Trie:
+ Sample for the blog post