Added cache object
Set up initial caching/lazy rebuilding of site
Extended checking interval in monitoring script
Merge branch 'refs/heads/develop' into feature/caching
Merge branch 'refs/heads/develop' into feature/caching
Updated config value accessor
Removed undefined variable
Merge branch 'refs/heads/develop' into feature/caching
Merge branch 'refs/heads/develop' into feature/caching
Fixed returning absolute image URLs
Updated build script to identify test failures
Fixed post summary generation Markdown issues
Merge branch 'refs/heads/develop' into feature/caching
Updated system to skip unmodified drafts
Prevented initialising posts archive unless necessary
Skipped updating assets unless any have changed
Documented caching functionality
Merge branch 'refs/heads/feature/caching' into develop
Updated changelog
Incremented version number