dnd5e 0.99 compatibility

[akrigline]

Version 099 just dropped, big changes, odds of breakage are moderate.

• [x] Support new speed data source
• [x] Add "configure movement speed" button
• [x] Set "Initiative" to be rollable
• [x] Add Effects Tab
• [x] Biography Tab is borked with max-width
• [x] Something broke with the item images

[akrigline]

Done in release 0.9.0