Move Command section beneath Installation and Usage.
Use default configuration file if non exists.
With no .trooconf, don't run tests.
Extract Preference class.
Update to latest version of troo.
Update help text.
Add placeholder Options class.
Add test file for Database.
Convert let do blocks to use curly braces.
Add yard for documentation, also;

- Add placeholder @param and @return to public methods.
Yard: Add more documentation.
Minor twerks;

- Change symbols to strings.
- Move Launcher into separate file.
- Extract paths to methods.
Yard: Move documentation on CLI commands.
Yard: Add more method documentation.
Add more testing for Presenters::Member.
Ignore .gemtags and .tags (CTags stuff).
Update curses to 1.0.1, also;

- thread_safe no longer uses atomic.
- tins updated to 1.1.0 from 1.0.1.
Add more testing JSON.
Yard: Update method documentation.
Yard: Update method documentation.