Enable testing on Python 3.4
Merge pull request #873 from frewsxcv/patch-1

Enable testing on Python 3.4
[tmux] Make battery segment use BAT1 if BAT0 was not found
Merge pull request #882 from Determinant/develop

[tmux] Make battery segment use BAT1 if BAT0 was not found
Catch NotImplementedError when importing module

Fixes #883
Merge branch 'fix-883' into develop