7.x-1.1

• [FEAT] (Entity) #499: Support node reference (by Tyler Struyk)
• [REFACTOR] (Cache) #535: Cache tags to its method (by Christian Sieber)
• [BUGFIX] (DB Query) #540: Refactor view code (by Mohammed Nauage)
• [DOCS] #574: Better documentation at restful.admin.inc (by Theodoros Ploumis)
• [DOCS] #575: Update api_url.md (by Theodoros Ploumis)
• [BUGFIX] Improve filtering by adding some missing operators (by ordavidil)
• [BUGFIX] #539: Checking property settings only after setting the value (by Amitai Burstein)
• [BUGFIX] #495: Prevent preceding comma in Vary header (by Peter Sieg)
• [BUGFIX] #522: Add watchdog entry if excpetion was thrown (by Amitai Burstein)
• [DOCS] #527: Add documentation for adding a sort property using a URL parameter (by edhollinghurst)
• [DOCS] Update README.md (by Mateu Aguiló Bosch)
• [BUGFIX] #519: Add try catch on menu item access (by Amitai Burstein)
• [BUGFIX] #517: Don't delete cache when its not set (by mojzis)
• [DOCS] #503: Add Clarification to articles.inc (by Tyler Struyk)
• [BUGFIX] Generate access token and refresh token for correct users (by edward xu)