fix: some random crashes with some maps
fix: do not look at breakable until totally sure we're can break it
fix: wrong distance calculation in last enemy position randomizer
fix: problems with cs 1.5 won when built with ``nosmid`` switch (still crashes from time to time)
ctrl: add bots death count to``yb list`` command
graph: disable buckets for small number of nodes graphs
graph: verify graph consistency and select appropriate pathfinding algorithm
misc: added mor vox sentences to welcome a player