…th unified diffs (#435)

* Add test of vertical tab handling

* Stop treating stuff like vertical tabs as line breaks when dealing with unified diffs

* Add release notes

* Add a consistency test

… same, like the Myers diff paper does (#439)

* Add test for Unix diff-style ordering of deletions & insertions

* Tweak base.js to prefer extending paths that have previously done more deletions

* Remove now-redundant code to flip the order of immediately consecutive add and remove operations

* Fix existing tests

* add release notes

…aving them unset or explicitly using `undefined` (#455)

* Always set `added` and `removed` to `true` or `false`, rather than leaving them unset or explicitly using `undefined`

Resolves #233

* Add release notes

Conflicts:
	README.md

…ay you'd expect (#464)

* Add failing test showing maxEditLength: 0 is handled wrongly

* Handle maxEditLength === 0 correctly (test now passes)

* Document change

* Add a oneChangePerToken option to emit one change object per token instead of combining consecutive tokens into one change object

* Document oneChangePerToken

* Add release notes

* Add test (which fails; needs changes from #439)

* Add test of case with identical texts

* Add another test

* Move release notes to correct place now that I'm planning this for 6.0.0

* Ensure the left & right arguments to equals() always correspond to old and new values respectively

* Add test

* Add release notes

Conflicts:
	test/diff/array.js

* Add test demonstrating that maxEditLength crashes createPatch

* Fix maxEditLength handling in createPatch

* Add release notes

Conflicts:
	release-notes.md