------------------
* Theme changed
* Switch command refactored. added options: addlings, rails.
* Link command base repo argument required now.
* All important environments now coming outside of project.
* Cli now checking env variables; at exception.Keyerror situation, cli logging
missing argument with warning.
* Start command refactored.
* Link list command shortening removed. at the moment only option is "--list".
* Parser indent fixed.