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- Made the default loop a singleton
- Added TTY handle
- Moved all exception definitions to a standalone file
- Added set_membership function to UDP handle
- Added ability to write a list of strings to IOStream objects
- Added ability to send lists of strings on UDP handles
- Added open function to Pipe handle
- Added Process handle
- Added 'data' attribute to all handles for storing arbitrary objects
- Refactored ThreadPool
- Implemented pending_instances function on Pipe handle
- Implemented nodelay, keepalive and simultaneous_accepts functions on TCP handle
- Added 'counters' attribute to Loop
- Added 'poll' function to Loop
- Added new functions to fs module: unlink, mkdir, rmdir, rename, chmod,
fchmod, link, symlink, readlink, chown, fchown, fstat
- Added new functions to util module: uptime, get_process_title,
set_process_title, resident_set_size, interface_addresses, cpu_info