Some minor cleanup in the net package.
Updated version number for 1.8.
Fixed readBlockPosition in negative coordinates.
Implement ServerDifficulty codec.

Signed-off-by: William Lebel <lebelwilliam@gmail.com>
Implement CombatEvent codec.

Signed-off-by: William Lebel <lebelwilliam@gmail.com>
Add 0x43 (Camera).

Signed-off-by: William Lebel <lebelwilliam@gmail.com>
Packet 0x48 codec added.

Signed-off-by: William Lebel <lebelwilliam@gmail.com>
Packet 0x44 added (WorldBorder)

Signed-off-by: William Lebel <lebelwilliam@gmail.com>
Use constants for CombatEvent.

Signed-off-by: William Lebel <lebelwilliam@gmail.com>
Packet 0x45 added. (Title). Some formatting.

Signed-off-by: William Lebel <lebelwilliam@gmail.com>