Add information about the latest changes: --usage command, --color su…

…pport.

Increase version to 0.9.0 for semver

Tag v0.8.1

Tag v0.8

Tag v0.7.5

Tag v0.7.4

Version 0.7.3

Compare tags in a case-insensitive fashion for compatibility with Fin…

…der. Closes #2.

We try to retain tag case for existing tags on a file. But with this fix we won’t add a second tag on a file that differs only in case, and we’ll match for files with tags that differ in only in case from the match expression.

Version 0.7

Cleanup handling of default operation.