fixing and improving robots behaviors

[starwindz]

moving logic: A* algorithm

• fixing basic chasing bug of dev version => DONE
• avoiding collision each other => ALMOST DONE but needs to be updated
• avoiding shooting laser to other robots
• avoiding shooting laser when shooting direction is blocked by wall

[starwindz]

fixed basic chasing bug of dev version
1cf22e2

PyBerzerk/grid.py

Line 69 in 1cf22e2

for y in {0:(6, 7,8,9,10,11,12,13, 14),1:(14,15,16,17,18,19,20, 21)}[int(i/4)]:

[starwindz]

updated: avoiding robots collision each other -> ALMOST DONE but needs to be updated
516db7c