* Add a descriptor class for socket(2) return values
* Add basic socket(2) and bind(2)
* Basic accept(2)
* Basic recv(2) support
* Debug statements and accept(2)
* Add check for symbolic arg to open(2)
* Fix an example warning
* send/sendfile
* debug->info for some mcore output
* Produce socket data as part of state serialization
* Clean up SLinux.sys_open()
* Document socket(2) peculiarities
ca0d7b60d2