tio v1.44

• Simplify arbitrary baudrate code

• Cleanup error printing routines

  Clean up so that only the following error related printing functions are used: tio_error_printf(), tio_error_printf_silent(), tio_warning_printf().

• A session mode switch is introduced for error printing so that it will print error messages with better formatting depending on in or out of session.

• Update README

• Clean up man page

• Add support for space parity

• Rename "EOL delay" to "Output line delay"

• Replace -U, --upcase with mapping flag OLTU

• Simplify tty_write()