masamyyris

Their is LUA function for it "TogglePetAutocast",
http://wowprogramming.com/docs/api/TogglePetAutocast
 
/run TogglePetAutocast(index) index = which pet ability as number (4 as example)

if this dosent work you can try it over the macro api,
http://wowwiki.wikia.com/wiki/MACRO_petautocaston
RunMacroText("/petautocaston Firebolt") include one of those things into your Fightclass and run it as LUA Code, not tested it, but should work.

Greets,
Dreamful

The attached may work, untested plugin.
RezzRange.cs
I get this issue sometimes too but its very rare, never really bothered about thinking of a way to fix it before now.

There is a bug in WRobot that does not allow spells with parenthesis . 
 

try using the spellID. Create Healthstone (Lesser) should be 23520
 

set timer + target buff condition?

I haven't tested, but try this.
warlock masa-Edited.xml

Try this
warlock masa.xml