Features - exclude/include tags, hide author, token env

[ajp8164]

Allows the filtering of tags to select or exclude a subset based on a tag regex.

[ajp8164]

• Option to exclude and include tags by regex pattern
• Option to hide authors
• Moved commit link to end of text
• Allow GitHub token to be read from an env
• Bug fix for tag same day as last commit (was not applying --tag-name value)