Protection Enchantments, some fixes

- Protection echantments (fire, blast, feather falling, protection and
projectile). It isn't finished, add secondary effects and optimize the
code.
- Removed some brackets.
- Silk touch fixed.

src/Entities/Player.cpp

@@ -1978,7 +1978,7 @@ void cPlayer::UseEquippedItem(int a_Amount)
 		}
 
 		cFastRandom Random;
-		if (Random.NextInt(100) <= chance)
+		if (Random.NextInt(101) <= chance)
 		{
 			return;
 		}