Refactor editing tests
Remove accidental return
Fix regression in dom-to-xhtml and place boundary markers test in correct suite
Refactor Style.remove

No more support for IE<9
Remove unused code
Implement Fn.thisless, Fn.isNou, Fn.is, Maps.filterEntries
Fix Arrays.mapcat for large inputs
Implement Record, Accessor, Boromir
Fix forEach typo
implement mapcat with reduce as petrosalema suggested; tabs for indent;
Refactor editing-tests. Fix small regression.
Merge pull request #1144 from evindor/howling-mad

Fix forEach typo
Pass nodeName instead of settings object into Html.insertBreak()
Make editable element contentEditable in crazy slots
add local vimrc file to gitignore
fix calling upwhile from Traversing
Merge pull request #1145 from evindor/howling-mad

Fix calling upWhile method form wrong module
Guard against null reference
Clean up break_ and delete_
Fix old regression in splitRangeAtBoundary()