=============
- Added new functions to fs module: open, close, read, write, fsync,
fdatasync, ftruncate, readdir, sendfile, utime, futime
- Added FSEvent handle, for monitoring filesystem events
- Added IPC support (start_read2 and write2 methods on Pipe handles)
- Added pid property to Process
- Refactored accept function on TCP and Pipe handles
- Removed get/set_process_title functions
- Added more test cases to the test suite
- Added ability to skip tests based on platform
- Removed unneded arguments from fs callbacks and properly set errorno attribute
to None if no error occurred
- Added path attribute to fs callbacks
- Fixed write operations in NULL bytes are present
- Enhanced error reporting by passing an 'error' argument to several callbacks
- Raised libuv revision to 51ea46d