Remove duplicate definition
Fix problem that was causing Chrome to display black in colour picker swatches

Hurrah!
Fix generateTitle to avoid clashing with shadow tiddlers
Add 'indexes' filter operator

Returns the indexes within a data tiddler.

We’re about to use this to enumerate the colours within a palette.
Add palette editor
Change `.tids` file extension to `.multids`

Hopefully less confusing
Merge remote-tracking branch 'upstream/master'