Changes

- bullets get trail

- some skills effect & stat changed

Jewelry:

Get stamina twice of the number of (same element) skills in the deck. 

>  Other  (same element)  skill's cost -1, usable count +1

0/5 > 3/1

Carpet:

ignore player's attack stat > effected by  player's attack stat

attack power 0 > -5

Skilled flight

during battle, The stamina recovery speed during the flight +100%. > 50%

3/1 > 2/2

Null cube

install a block to front > install blocks around 5x5 area

0/10 > 2/5

Deadly bamboo gun & Deadly bamboo bullet

Added Shooting attack power -5 penalty

Fixed bugs

- skill repeat effect doesn't overlap before