Disable fortune at login
Completely disable command correction
Enable cdpath and add home to it
Keep zsh files in a .zsh directory

.zshenv still needs to be in $HOME, which seems a bit ugly, because the ZDOTDIR variable has to be set somewhere..
Add various binary locations to PATH
Switch default editor to Sublime
Enable PIP caching
Enable a bunch of modules
Change LANG to en_GB
Improve sorin prompt with virtualenv + tweaks