0.30 release
- IO::All::STDIO -> IO::All::Stdio (downcase)
- No dependency on Tie::File
- Fix test failures
- Test the interface with 3rd party modules
- New methods:
  - file->empty dir->empty
  - touch
  - file->all
  - add stubs in IO::All that throw errors for these (type undetermined)



- Use '=' for STDERR
- Support piping open: '|foo', 'foo|'
- Maybe even: '|foo|'

- $io->separator
- $io->ending
- $io->end
- $io->sep

- overloading
  # read all files recursively
  $files << io('dir');
  io('dir') >> $files;

- email support (Mail::Send)
- irc support
- blog support (Atom)
- http support (LWP)
- ftp support
- dav support
- ldap support
- pop support
- smtp support

- Serial Support
  - Win32::SerialPort
  - Device::SerialPort
