Update Humbug.java

Allows Admins to do /invsee <player> and they can see the player's inventory.
Update plugin.yml
Update Humbug.java
Update Humbug.java

Debuffed strength
Update Humbug.java

Buffs health potions to 1.5.2 levels
Update Humbug.java
Update Humbug.java
Merge and update /invsee
Fix deprecation warnings
Merge https://github.com/Arthur-G/Humbug

Conflicts:
	src/main/java/com/untamedears/humbug/Humbug.java
Merge and touch-up potion adjustments