0.4.0

What's Changed

• Linters by @orsinium in #3
• Breaking: swap env name and subcommand by @orsinium in #4
• deps command by @orsinium in #5
• run: sync deps if out of sync by @orsinium in #6
• Do not include extras in lock file by @orsinium in #7

Full Changelog: 0.3.4...0.4.0