Returns the current timeframe in seconds.
Only for linear time units, otherwise it will return the value -1.
Syntax:
| 1 | GetTimeframe | 
Example:
| 1 2 3 4 5 6 7 8 9 10 | timeframe(4 hour) a = gettimeframe timeframe(1 hour) b = gettimeframe timeframe(default) c = gettimeframe return a as "seconds in 4 hours", b as "seconds in 1 hour", c as "seconds in current timeframe" | 
 GetTimeframe
							GetTimeframe 
		 
		 
		