Make "border-box" the default
Update dev docs
Fix blocks database
Cleanup
Reorganise functions
Rewrite blocks database
Remove blocks*.txt, rearrange tests
Rewrite: Split render_block into parse_block & render_block

Translate all the things

Rename CSS class: custom-definition -> define-hat
Fix preview scripts
Drop "when *** clicked" block
Fix some stupid bugs
Add spaces to english_blocks
Use aliases instead of image replacements
Rearrange parser/render functions
Fix stop block
Split info.flags into `flag` and `shape`
Make render_block accept an info object instead of code
Comments and category hacks
Add rings (sssh, don't tell anyone!)
Try and fix comments -> move them into split_into_pieces