message: Add comments to ignorable lines
  Makes ignorable lines need regex now but covers doc comments as ignorable
diff: @@ -377,10 +377,13 @@ fn analyse_package(
  /// These are often things like close braces, semi colons that may regiser as
  /// false positives.
  fn find_ignorable_lines(content: &str, analysis: &mut LineAnalysis) {
  + lazy_static! {
  + static ref IGNORABLE: Regex = Regex::new(r"^((\s*///)|([\[\]\{\}\(\)\s;\?,/]*$))").unwrap();
  + }
  let lines = content
  .lines()
  .enumerate()
  - .filter(|&(_, x)| !x.chars().any(|x| !"(){}[]?;\t ,".contains(x)))
  + .filter(|&(_, x)| IGNORABLE.is_match(&x))
  .map(|(i, _)| i + 1)
  .collect::<Vec<usize>>();
  analysis.add_to_ignore(&lines);
  