[0.3.0]

Added

• OS independence: Removed linux specific file operation.
• Added option -p to print checksums during verification.
• Added option -cs to verify single file (-f) against (a) checksum string, (b) checksum within sums.csv, or (c) checksum within *.sha256sum-file.

Changed

• Changed output messages.
• Improved comments.

Fixed

• Bugfixes / improved stability.