Console: Pass ParseCommandInfo instead of ArgumentsRange to the callbacks
Console: Add named aliases for operator overloads ('[]' and '()')
Utils: Document, where impl/demangle.h comes from
Updated the 'Setting up a new project using SENF' documentation

Console: Implement OverloadableCommandNode
Console: Make all virtual functions private
Console: Rename ObjectDirectory to ScopedDirectory
Console: Move non-template dependent ScopedDirectory members to ScopedDirectoryBase
Console: Provide owner-less void specialization of ScopedDirectory

Console: Complete the ObjectDirectory proxy interface
Console: Add additional special chars as punctuation chars
Console: Documentation

Console: Code cleanup
Console: Add automatic node naming

Console: Implement simple online help
Console: Remove uniquify flag
Console: Implement node-active check
Console: Implement node removal
Console: Move 'name' argument consistently to 'add' command
Console: Implement SimpleCommandNode (command with manual argument parsing)
Console: Implement 'add' family of members based on extensible creation helpers