v0.6.6

Changes

• Customized colors now also change the color of the related tooltips;
• added option to customize tooltips font color;
• added a tooltip on top of all Things that displays their names;
• remove Anchor subtool. The hardcoded bind associated to anchoring brushes is Right mouse, having to enable a subtool an then clicking with the Left mouse increased the complexity instead of lowering it;
• partial documentation revamp.