bump version, merge branch 'devel'

bump version, merge branch 'devel'

bump version, merge branch 'devel'

bump version, merge branch 'devel'

- fixes tqdm#457, closes tqdm#658 caused by tqdm#617

bump version, merge 'mjstevens777:fix/multiprocessing-lock'

bump version, merge branch 'devel'

bump version, CLI:add `--manpath`

Merge branch 'man'

- fixes tqdm#460
- fixes tqdm#628
- closes tqdm#629

bump version, merge branch 'devel'

- fix `str.isnumeric` tqdm#605
- fix `WeakSet` `KeyError` tqdm#548, tqdm#553, tqdm#596 -> tqdm#607
- stop `tqdm_notebook` description truncation tqdm#582 -> tqdm#599
- include `unit_scale` for `rate` tqdm#608
- add `auto` -> nowarning `autonotebook`
- add better postfix numeric formatting tqdm#621
- minor refactoring tqdm#609 -> tqdm#616
- update documentation
- add unit tests
- fix py26 CI

bump version, merge branch 'devel'

bump version, merge branch 'devel'