v6.0.0

Features

• Add transient prompt setting, which automatically collapses old prompts for more condensed scrollback
• Add automatic configuration, which lets users automate the configuration wizard
• Add tide reload subcommand, to re-initialize the prompt without requiring a new shell session
• Replace virtual_env item with a new and improved python item
• Replace chruby item with a new and improved ruby item (#437 - @cmer)
• Extensive use of string match variable setting for minor speedups
• Reduce globbing in pwd item, which can be costly on slow filesystems