Tqdm

- fix `AttributeError`s (546)
+ `pos` on initialisation (323, 510 -> 544)
+ `fp` on `write()` (383)
- fix py34 CI
- update documentation

- Fix `disable=True` where`iterable` has no `len()` and is not `None` (539)
- Add `ncols` to specify `tqdm_notebook` bar width (276 -> 292)
- allow custom `pandas` `total` (364 -> 535)
- Add `progress_apply` for `pandas.(Series|DataFrame).(rolling|expanding)` (530 -> 537)
- unit tests, pep8 tidy
- `postfix` non-`dict` documentation note

- allow direct non-string assignment to `postfix` member (lists, dicts, etc) (382 -> 534)
- documentation updates
- unit tests

- fix 532 `write()` with manual `position`
+ more robust free position finding
- add `TqdmWarning` base class
- fix GUI `__del__()`
+ add `TqdmExperimentalWarning`
- add, tidy & fix unit tests
- documentation
+ wiki release notes
+ update contributors
+ fix `7zx` example

- `pandas` wrapper: remove `*args` and add better `total` handling (244, 299, 322, 366 -> 524)
- document windows unicode know issues (454)
- suppress `RuntimeError: Set changed size during iteration` -> `TqdmSynchronisationWarning` (481)

- fix monitor thread termination and update tests (527)