0.3.2

Feature enhancements:

• Added or improved file type filtering for Less, Sass, stylus, Zsh

Bug fixes:

• BUG #229:
  Make smart case slightly less conservative.
• BUG #247:
  Clarify use of --heading/--no-heading.
• BUG #251,
  BUG #264,
  BUG #267:
  Fix matching bug caused by literal optimizations.
• BUG #256:
  Fix bug that caused rg foo and rg foo/ to have different behavior
  when foo was a symlink.
• BUG #270:
  Fix bug where patterns starting with a - couldn't be used with the
  -e/--regexp flag. (This resolves a regression that was introduced in
  ripgrep 0.3.0.)