Add `key() function
Discern between function and element when referencing

Some functions have the same name as an element, so need to distinquish
between them when creating the id+anchor
Update HTML
Add Info.plist
Add version number to elements.xml
Ignore built .docset bundle
Add version after title
Add complete build steps to build.sh
Ignore CodeKit cache
Safeguard the Archive name
Add a feed link
Update version
Style feed link
Change bundle identifier
Rebuild JS
Add more info to `key()` function
Handle duplicates in SQL builder
Add the archive file