Tqdm

- fix monitoring thread issues
+ avoid uninitialised instance manipulation (493)
+ fix thread starting `RuntimeError` (522 -> 523)
- these release notes (529)

- CLI improvements
+ `--bytes` implies `--unit B --unit_scale --unit_divisor 1024` (503)
+ allow hyphens in CLI arguments (511)
- synchronisation: fix for `sem_open` on `aarch64` (513)
- framework update
+ CI/tests, year 2018, py37, badges, documentation

- multiprocess/lock fixes (457)
- `set_description` in notebook (345 -> 475)
- minor tidy (476)
- documentation updates

- fix `Lock:NotImplementedError` on certain systems (466 -> 468)
- use recursive locks (469 -> 468)
- fix deadlocks
- tidy (448)
- `flush()` on `moveto()` (398 -> 399, 420, 467)
- update tests and benchmarks

- `flush()` on `refresh()` (459 from 317)
- status printer updates (331)
+ use `sp()` in `refresh()`
+ remove redundant `clear():nomove=False`
- misc minor documentation updates
- unit tests

- `rate_(no)inv(_fmt)` (72, b228bc3)
- `__repr__()` tidy (389)
- fix `write()` before initialisation `AttributeError: _lock` (457)
- `man` pages
- documentation updates