Custom Helmet renders on player, has some tweaking to be done, like moving the rotation point down a bit to match the head rotation point

Signed-off-by: Justin Wiblin <Justin_wiblin@hotmail.co.uk>
Slimes now have dynamic health

Signed-off-by: Justin Wiblin <Justin_wiblin@hotmail.co.uk>
Ghasts and the ender dragon now have dynamic health, the health increase system will be changing soon, need to work out a good balance

Signed-off-by: Justin Wiblin <Justin_wiblin@hotmail.co.uk>
Merge pull request #16 from Thelonedevil/combat

Combat