1.7.0

• Added: warning to deprecate previous (wrong) custom selectors syntax.
  Previously they were working with and without pseudo syntax ':'
  which is incorrect according to specs
  Now you must use @custom-selector :--{name} syntax instead of @custom-selector --{name}
  The support of syntax without : and the warning message will be remove in the next major release
  (#97)
• Added: plugins option that allows you to pipe your own transformations
  (#118)
• Added: messages option that allows you to see messages of transformations
  (#88)
• Added: :any-link pseudo class support