Utils/Console: Add documentation to Client members
Utils/Console: Add support for std::pair parsing/formatting
Utils/Console: Some more documentation

Utils/Console: Implement special single-token argument parsing for program options (remove double quoting)

Utils/Console: Ignore trailing '/' on auto-cd
Utils/Console: Add support for STL vector/list arguments and return values
Utils/Console: Set default server name from executable name
senfscons: Don't build SENF automatically in senfutil