bump version, merge branch 'davidbau/master'

- closes tqdm#493
- TODO: a more elegant solution

update year to 2018

bump version, merge branch 'devel'

bump version, Merge branch 'devel'

- closes tqdm#399
    - fixes tqdm#398
    - fixes tqdm#420 (probably)
    - complements tqdm#464

bump version, Merge branch 'devel'

bump version, Merge branch 'devel'

bump version, Merge branch 'package'

bump version, Merge branch 'devel'

bump version, Merge branch 'parallel-print-fix2'

fixes tqdm#285 -> tqdm#291 -> tqdm#329
fixes tqdm#422
fixes tqdm#439

fixes tqdm#323
fixes tqdm#324
fixes tqdm#334
fixes tqdm#407
fixes tqdm#418

related to:
- tqdm#97
- tqdm#143
- tqdm#331
- tqdm#361
- tqdm#384
- tqdm#385
- tqdm#417

bump version, Merge branch 'devel'