====== ABS() ======

//Since version 2.0//

Syntax:

  abs(<int expression>) | abs%(<float expression>)
  
The ''ABS()'' function returns the absolute value (value without the sign) of the given numeric expression.

Argument type and return type must match.

Examples:

  print abs(-3)
  rem -- will print 3
  
  print abs%(-3.14)
  rem -- will print 3.14