v0.19.0

What's Changed

• elide lifetimes by @jordens in #271
• py: refactor topic/path by @jordens in #272
• minimq master, embedded-nal 0.9 by @jordens in #273
• KeyLookup: ensure at least one child in Named by @jordens in #275
• keys: remove potentially broken doc link by @jordens in #276
• py: print values as repr by @jordens in #277
• py: introduce common for async/sync commonalities by @jordens in #278
• py: use inflight also for sync by @jordens in #279
• trace by @jordens in #280
• impl overrides by @jordens in #281
• mqtt: handle Traversal::Access from iter by @jordens in #282
• mqtt cli: print values as json by @jordens in #283
• trace: bump serde-reflection by @jordens in #284
• traverse_all: infallible by @jordens in #285
• Trace by @jordens in #286
• py: factor json_dumps by @jordens in #287
• v0.19.0 chores by @jordens in #288

Full Changelog: v0.18.2...v0.19.0