new start
seg type
sync
redesign diff & store_fork do not apply the allocation table & remove initvalue in reloctable, because it can be replaced by new diff
rewrite diff
cesk diff from buffer
todo: union
todo uion
union: done
diff apply
last commit with + operator ... seems useless
todo fractorize
todo factorize
rewrite all fucntion of cesk_diff.c & to be tested
todo : apply do not work
last issue resolved
doing applying diff to frame
apply is done
doing: frame operations
todo frame ops