Add "request.matchesRoute" and handful of small improvements

• feat: add request.matchesRoute method a67daec
• chore: update dependencies eff9e8f
• chore: update dependencies 2927b50
• fix: correct type of Request#only (#39) e839816
• fix: improve typings for object used as dictionaries (#38) fa2af33

v5.1.2...v5.2.0