fixed 100% progressbar, relocated tests and improved several tests. f…

…ixes wolph#108 v3.18.0

fixed unicode issues on python 3 (fixes wolph#104, fixes wolph#105, #…

…fixes 106) v3.17.1

Converted all strings to unicode

converted all strings to unicode v3.16.0

preferring fixed size over incorrect size detection for jupyter v3.16.1

Made sure even really fast progressbars finish. Fixes wolph#102 v3.15.1

Large performance improvements. Dropped Pypy3 support in Travis tests…

…. Improved output redirection (fixed several bugs). Showing N/A when no numbers are available. v3.15.0

Improved support for sequences with unknown length thanks to @WohthaN

Fixed resizing with nested progressbars

Fixed output redirection with special ipython and jupyter notebook su…

…pport