Merge pull request #1 from demonnic/master

display() bugfix
- make display({}) output {} and not {\n}
- improve fg(), bg() to accept "main" parameter and report wrong color names used
- showColors() improvements from Phoenix: make colors clickable, and add showColors(columns), showColors(filterColor), showColors(columns, filterColor) options
geyser flash() callback fix, miniconsole:clear() function added.