0.18.0

• bump htmlparser2 dependency to ~3.8.1 (Chris Rebert)
• Correct unit test titles (Mike Pennisi)
• Correct behavior of after and before (Mike Pennisi)
• implement jQuery's .has() (Chris Rebert)
• Update repository url (haqii)
• attr() should return undefined or name for booleans (Raoul Millais)
• Update Readme.md (Ryan Breen)
• Implement Cheerio#not (Mike Pennisi)
• Clone nodes according to original parsing options (Mike Pennisi)
• fix lint error (David Chambers)
• Add explicit tests for DOM level 1 API (Mike Pennisi)
• Expose DOM level 1 API for Node-like objects (Mike Pennisi)
• Correct error in documentation (Mike Pennisi)
• Return a fully-qualified Function from $.load (Mike Pennisi)
• Update tests to avoid duck typing (Mike Pennisi)
• Alter "loaded" functions to produce true instances (Mike Pennisi)
• Organize tests for cheerio.load (Mike Pennisi)
• Complete $.prototype.find (Mike Pennisi)
• Use JSHint's extends option (Mike Pennisi)
• Remove aliases for exported methods (Mike Pennisi)
• Disallow unused variables (Mike Pennisi)
• Remove unused internal variables (Mike Pennisi)
• Remove unused variables from unit tests (Mike Pennisi)
• Remove unused API method references (Mike Pennisi)
• Move tests for contains method (Mike Pennisi)
• [email protected] (David Chambers)
• Created a wiki for companies using cheerio in production (Matthew Mueller)
• Implement $.prototype.index (Mike Pennisi)
• Implement $.prototype.addBack (Mike Pennisi)
• Added double quotes to radio attribute name to account for characters such as brackets (akant10)
• Update History.md (Gabriel Falkenberg)
• add 0.17.0 changelog (David Chambers)
• exit prepublish script if tag not found (David Chambers)
• alphabetize devDependencies (fb55)
• ignore coverage dir (fb55)
• submit coverage to coveralls (fb55)
• replace jscoverage with istanbul (fb55)