Create a default tmux session only when none defined in tmux.conf

Signed-off-by: Sorin Ionescu <sorin.ionescu@gmail.com>
Support $PYTHONUSERBASE per PEP 370

Signed-off-by: Sorin Ionescu <sorin.ionescu@gmail.com>
commit my stuff
rm: don't ask for confirmation
add aliases
alias l: don't show in one column
add curl alias for json
add google
enable gh
git aliases
remove stash prompt symbol
reindent stuff
update git aliases
update zshrc
add -v to gC alias
alias ack to ag
add alias for copying last command
git: add merge aliases
zshrc: add secrets
zshrc: add SBT_OPTS