Fixed Bug #7313

Special Thanks to mleo1, lighta~!
http://hercules.ws/board/tracker/issue-7313-use-summon-legion-beside-emperium-emperium-dissapears/

Signed-off-by: shennetsind <ind@henn.et>
Modified @makehomun

Using -1 will now revive a dead homun (finally, it now makes sense >_>)

Signed-off-by: shennetsind <ind@henn.et>
Merge branch 'master' of https://github.com/HerculesWS/Hercules