Log Message:
update to 1.0.5.2
changes:
User preference for popup instead of footer dialogues (1.0.5.2).
Default values and types for interactive arguments (1.0.5.2).
Better dialogue system based on scheme continuations (1.0.5.2).
Arrows for the upcoming graphical mode (1.0.5.2).
Support for plug-in provided icons and dictionaries (1.0.5.2).
Included Proclus plug-in into the main distribution (1.0.5.2).