Corrected to use canonical XMI
Set to use $Id: $
Added SysMLFile class and parse operation (so we only have to define it once!)
Added uuid attr
Corrected to be canonical XMI
http://cvs.eurostep.com/bugs/show_bug.cgi?id=759#c4
http://cvs.eurostep.com/bugs/show_bug.cgi?id=760#c3
http://cvs.eurostep.com/bugs/show_bug.cgi?id=759#c3