CORE: changes to crafting: moon phase no longer directly affects skill up rate, moon phase and week day now give +/- 33%(of base rate) bonus to HQ rate, player skill level is truncated to the whole number before calcing difficulty, gear and image support are considered in the 5 level rule for break skillups, removed absolute value in moon difficulty correction, fix sub craft being outside skill range from preventing main craft receiving a skill up and vice-versa, applied WELL512 PRNG