Probably the third or fourth pass of this darn header... Just keep making it better every time
Rename some functions to make more sense to a reader
Use different method for Observing/subscribing to component events
Get rid of abomination of overloading GetParentUser
* Make wrapper for casting skills
this is to reduce magic numbers in the code base
Only updated one use of this to demo that this works.
Will be do more in a sepearate PR.
Also, inadvertantly fix damage stacking and self-damage in the teslapack
* add skill<->behavior caching
* explicit by reference
* address emo's feedback