0.4.0

• The emoji feature was removed for simpler usability. (b72430b)
• It now supports more units: standard, metric, imperial (b72430b)
  • More info: https://openweathermap.org/weather-data
• Program description was updated (a28cdb)
• Edit user-setting missing message (4788ff)
• Update README.md (82294ba)

Other Changes in the Codebase

• Refactor code (b72430b)
• Make unused values optional (cba28f)
• Reorder and delete some Rust dependencies (5086a69)
• Edit Cargo.toml (a680179, fa63447)