0.9.4

Bug fixes

• Fix updating of flag only parameters so they
  don't have '=' or '=crudini_no_arg' added added on update.

• Handle closed stdin/stdout gracefully, without giving errors.

Improvements

• Windows support.

• Windows line endings are maintained.

• Lists can be delimited with arbitrary whitespace with --list-sep=.

• Support for unspaced "name=val" format with --ini-options=nospace.

• Avoid deprecation warnings about use of pipes module.