Change warning level to debug
Fix case when widget was defined with `zle -N widget`

Fixes #774
Add underscore to non-API functions and variables
Do the same for bash bindings
Merge branch 'shell-fixes' into develop
Also rename variables in python files
Merge branch 'shell-fixes-2' into develop
Sleep more
Merge pull request #777 from ZyX-I/reload-tests-fix

Fix test_config_reload race conditions

Fixes #772.
Add cpu_load_percent colors to tmux

Definitions for cpu_load_percent segment colors and gradient where missing
from default tmux color definitions, rendering this segment unusable for tmux
"out-of-the-box".
Merge pull request #780 from pshchelo/cpu-load-tmux

Add cpu_load_percent colors to tmux
Merge branch 'develop' into local-develop
Port spotify mac script from tmux-powerline
Merge branch 'ericboehs-develop' into develop

Fixes #778
Do not use sys.stderr for logging
Merge branch 'no-sys.stderr' into develop
Move NowPlaying._run_cmd to powerline.lib.shell.run_cmd, make asrun use it
Remove asquote function for it being used nowhere
Check for asrun() returning None
Merge branch 'lib-shell' into develop