Fixed ConcurrentModificationException while rendering ItemPickups
Custom CurrentObjectDisplay tooltips
Tooltip implementation for some vanilla Blocks and Primed TNT

Reed, Saplings, Redstone Wire, Redstone Torches, Redstone Lamps,
Levers, Tripwires, Buttons, Pistons, Repeaters, Comparators, Daylight
Sensors, Pressure Plates, Doors, Trapdoors and Fence Gates