bump version, merge branch 'pandas-rolling'

bump version, merge branch 'devel'

bump version, merge branch 'devel'

bump version, Merge branch 'chengs/aplavin-patch-2'

bump version, Merge remote-tracking branch 'mbargull/fix-tmonitor-ter…

…mination'

bump version, merge branch 'devel'

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