v0.2.0

Changes between 0.1.0 and 0.2.0

• Added: "Note about non-root users" section in README.
• Added: Add "Environment" section in README.
• Added: Add COMPRESS_ALGO / -C option.
• Added: "Recommendations" section in README.
• Improved: signal handling.
• Removed: hardcoded version.

Full Changelog: v0.1.0...v0.2.0