font.el: Change the font settings.
python-lang.el: Update the configuration of Python.
Update a `git-gutter-plus-refresher`.
legacy-settings.el: Remove a unnecessary settings.
ag.el, grep.el: Improve ag-mode & grep-mode
zenburn-theme.el: Customize.
window-resize.el: Add a feature that move to left/right the frame.
font.el: Chagne a font settings.
window-resize.el: Add a functions that mvoe to left/right the frame.
window-config.el: Update.
column-enforce.el: 80 column.