test if the extentions exist before use them
z.sh seems to assume the shell is attached to a tty
github password
doesn't start tmux automatically
github requires https
set git push configuration
vim: set tabstop and shiftwidth 2 for php and python
zsh: implement commands to sum git contribution
Merge branch 'master' of github.com:Mekajiki/dotfiles
Merge branch 'master' of https://github.com/Mekajiki/dotfiles

Conflicts:
	src/.zshenv
	src/.zshrc
fix bug of contribution summarizer

commits without insertion/deletion dropped
Merge branch 'master' of github.com:Mekajiki/dotfiles
fix bug: error on loading vimrc multiple time
type pp to toggle paste/nopaste
function for replacing selection with yunk
Merge branch 'master' of github.com:Mekajiki/dotfiles