
- add "site add file.xml" - load objects from file.xml
- add "chimera-console -f file.xml" - load objects from file.xml
- add "chimera-console <script-file>" - run <script-file> and exit
- add "chimera-console - " - run list of commands from stdin
- add "chimera-console -i <script-file>" - run <script-file> and continue interactivelly (like python -i)
- add "chimera-console <script-file> args" - run <script-file> and create aliases for each argument given on the cmdline
- add "log <filter>" where filter can be a object name or subsystem,
  like "log /Telescope/0" to see last messages of /Telescope/0 (more complex filters can be given, like regexps)
- support keyword arguments on method call
- autocompletion of method arguments and config options values

