Fix `mesh-[1-12]` not being handled as columns

+ Mesh columns are now named `mesh-col-{{modifier}}`.
+ Replace double for single quotes to match our guidelines.
Fix `mesh-[1-12]` not being handled as columns

+ Mesh columns are now named `mesh-col-{{modifier}}`.
+ Replace double for single quotes to match our guidelines.
Update version number
Update documentation
Update diet and demo
Update diet and demo