[evol] the 'list' command now display the number of items
[evol/fix] added 'del' command, added command usage information (using cmdparse subclass was necessary), and fixed a parsing mistake in the 'show' command with field and index
[evol] todolist update
[evol] added binary fields download support ('getbin' command)
[evol] move display options out of object management into the display functions, and display binary field presence
[evol] relations are now limited to what is really available in regard to aspects, and the list of possible (potential) relations can be retrieved; relations only include explicit links between objects, not family members (parent/siblings/children objects)
[evol] properly display names and handles
[evol] added a todolist