git-changelog outputs changes as following since last tag

- change 1 (contributor1)
- change 2 (contributor1)
- change 3 (contributor2)

Currently, issues of rpkg and fedpkg are filed and managed in both pagure.io and Bugzilla. So, it would be nice to show the fixed issue or bug id in each item too, for example,

- BZ#1234 change 1 (contributor1)
- change 2 (contributor1)
- #20 change 3 (contributor2)
- BZ\#1234 change 1 (contributor1)

This could be an assistant for maintainer to generate a good changelog and depends on contributors to write a good commit message mentioning the fixed issues and bugs, each of them can be mentioned as following ways in a single line.

[Ff]ix #1
[Rr]esolves?: 123456
[Bb]ug 123456

Are there others?