* fix memoization of onBeforeInput callback

* fix lint

* fix callbacks dependencies

* split format_text into two commands

* fix lint

* Fix emoji offsets

* Fix linting

* Remove the unused `forward` argument

* Fix linting

* Code review

* Fix linting

* Add newline to end of file

* add lowest mode and universal flag to `Editor.nodes`

* add `mode` handling to all transforms

* add extra `Editor.is*` helpers

* change `Editor.previous` to make all optional

* change `Editor.next` to make all optional

* change `Editor.match` to make all optional

* add `Editor.void` helper

* remove non-function match arguments

* remove NodeMatch interface

* change to lowest match by default everywhere

* rename `Editor.match` to `Editor.above`

* use new helpers

* cleanup

* make NodeEntry generic, cleanup

* fix NodeEntry generics

* ensure only ancestors are returned from Editor.above

* add type-narrowing to `Editor.nodes`, remove extras

* remove other Node entry types

* cleanup

* remove `Editor.block` and `Editor.inline` helpers

 - slate-history@0.54.6
 - slate-hyperscript@0.54.6
 - slate-react@0.54.6
 - slate@0.54.6

 - slate-history@0.54.5
 - slate-hyperscript@0.54.5
 - slate-react@0.54.5
 - slate@0.54.5

 - slate-history@0.54.4
 - slate-hyperscript@0.54.4
 - slate-react@0.54.4
 - slate@0.54.4

 - slate-history@0.54.3
 - slate-hyperscript@0.54.3
 - slate-react@0.54.3
 - slate@0.54.3

 - slate-history@0.54.2
 - slate-hyperscript@0.54.2
 - slate-react@0.54.2
 - slate@0.54.2

 - slate-history@0.54.1
 - slate-hyperscript@0.54.1
 - slate-react@0.54.1
 - slate@0.54.1

 - slate-history@0.54.0
 - slate-hyperscript@0.54.0
 - slate-react@0.54.0
 - slate@0.54.0