* fix: update to latest sapper
fixes#416
* fix error and debug pages
* requestIdleCallback makes column switching feel way nicer than double rAF
* add export feature
* add better csp info
* workaround for sapper sub-page issue
* clarify in readme about exporting
* fix now config
* switch from rIC to triple raf
* style-loader is no longer used
* update theming guide
* WIP: detect private browsing and safari blocked cookies
* just check for indexeddb
* just check for indexeddb
* change warning text
* change text
* change text again
* change text again
fixes#444