Merge pull request github#304 from jcreedcmu/jcreed/v1.1.1

Update CHANGELOG for release.

Merge pull request github#290 from jcreedcmu/jcreed/bump-1.1.0

Fix package.json for minor version bump.

Update extensions/ql-vscode/CHANGELOG.md

Update changelog date.

Merge pull request github#207 from alexet/add-v1.0.3-date-to-changelog

Add v1.0.3 date to changelog.

Merge pull request github#195 from jcreedcmu/changelog

Update changelog

Merge pull request github#177 from henrymercer/improve-errors

Improve error handling for CLI installation and updates