READ-LINE
=========

syntax: (read-line <input-stream> [<eof-value>])	
             ; Common Lisp
        (read-one-line <input-stream> [<eof-value>])  	
             ; Babylon Lisp

This function reads in a line of text terminated by 
a newline. It returns the line as a character 
string (without the newline character).

example: look to WITH-OPEN-FILE