relative paths for everything

(will replace with something better)

available at validation time

still no tx pool, so only block rewards are actually being processed

validate function

evaluating the block being currently mined, that does not exist in the
store)

also moved debug messages to a logger

of the point where the current mining forked)

(saving root object also saves subobject mutations, sets an references
mutate synchronically)

object sychronically

loaded on the MutableObject