+ * multiple channels per server
+ * /join and /part
+ * hold piece
+ * multiple level block preview
+ * customizable colors
+ * original:
+ BT_I=RED, O=BLUE, T=ORANGE, L=MAGENTA, J=WHITE, S=GREEN, Z=CYAN
+ * sega:
+ BT_I=RED, O=YELLOW, T=CYAN, L=ORANGE, J=BLUE, S=MAGENTA, Z=GREEN
+ * atari:
+ BT_I=RED, O=BLUE, T=GREEN, L=MAGENTA, J=YELLOW, S=CYAN, Z=ORANGE
+ * quadra:
+ BT_I=GREEN, O=ORANGE, T=BLUE, L=MAGENTA, J=YELLOW, S=CYAN, Z=RED
+ * tetrinet:
+ BT_I=BLUE, O=YELLOW, T=YELLOW, L=MAGENTA, J=GREEN, S=RED, Z=BLUE
+ * guideline:
+ BT_I=CYAN, O=YELLOW, T=MAGENTA, L=ORANGE, J=BLUE, S=GREEN, Z=RED