# File lib/facets/core/string/align_center.rb, line 20
  def align_left( n, sep="\n", c=' ' )
    return ljust(n.to_i,c.to_s) if sep==nil
    q = split(sep.to_s).collect { |line|
      line.ljust(n.to_i,c.to_s)
    }
    q.join(sep.to_s)
  end