Hotbar scrolling arrows

[gumbomasta]

Rather than assuming you use the scroll wheel to switch up the items on your hotbar, it would be useful to have two little 'up/down' arrows to visually see that you have multiple hotbar slots.

Playing 1.0.5 on my mac.

keep up the great work
-g

[Doctornull]

Seconded.

Also please display the current page number.