Removed "auto_sound" from the Engine init_options and set it as an argument to Engine.start(), this is a more consistent place for it as it can never be an attribute

darcs-hash:20081224165002-58103-8d0cbb3451c0be71335a9ecd2efddaae1070cc45
split im into smaller modules: msrpsession and config;

* fixed scripts to use these
* made console to raise EOF exception on CTRL_D
* updated to use latest eventlet (528)
* added :call command to initiate a new session

darcs-hash:20081229125706-b2873-acf06c191429da38e2d83f71b7ac662b1b986ce2