Fix arrows

You're killing me here mal
http://c2.com/cgi/wiki?ArrowAntiPattern
Refactor timer clean up calls
Refactor cleanup for single client timers
Add abstract timer handler
Add by address paramater for SafeKillTimer
Refactor frog spawn and lightning strike into separate methods
Add SpawnBeachBall()
Refactor out SpawnPumpkin
Remove hungarian notation from iClient
Refactor method names