 
	 * Sets any user-defined environment variables for the inferior.
	 * 
	 * If the 'clear' flag is true, all existing environment variables
	 * will be removed and replaced with the new specified ones. 
	 * If 'clear' is false, the new variables are added to the existing
	 * environment.
 
	 * Sets any user-defined environment variables for the inferior.
	 * 
	 * If the 'clear' flag is true, all existing environment variables
	 * will be removed and replaced with the new specified ones. 
	 * If 'clear' is false, the new variables are added to the existing
	 * environment. | IGDBControl.java