Upgrade Ava to v4

node_modules/cbor/vendor/binary-parse-stream/README.md

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+# binary-parse-stream
+
+  Painless streaming binary protocol parsers using generators.
+
+## Installation
+
+    npm install binary-parse-stream
+
+## Synchronous
+
+  This module uses the exact same generator interface as [binary-parse-stream](https://github.com/nathan7/binary-parse-stream), which presents a synchronous interface to a generator parser.
+
+## Usage
+
+```js
+const BinaryParseStream = require('binary-parse-stream')
+const {One} = BinaryParseStream // -1
+```
+
+  BinaryParseStream is a TransformStream that consumes buffers and outputs objects on the other end.
+  It expects your subclass to implement a `_parse` method that is a generator.
+  When your generator yields a number, it'll be fed a buffer of that length from the input.
+  If it yields -1, it'll be given the value of the first byte instead of a single-byte buffer.
+  When your generator returns, the return value will be pushed to the output side.
+
+## Example
+
+  The following module parses a protocol that consists of a 32-bit unsigned big-endian type parameter, an unsigned 8-bit length parameter, and a buffer of the specified length.
+  It outputs `{type, buf}` objects.
+
+```js
+class SillyProtocolParseStream extends BinaryParseStream {
+  constructor(options) {
+    super(options)
+    this.count = 0
+  }
+
+  *_parse() {
+    const type = (yield 4).readUInt32BE(0, true)
+    const length = yield -1
+    const buf = yield length
+    this.count++
+    return {type, buf}
+  }
+}
+```
+
+  There is also a shorter syntax for when you don't want to explicitly subclass:  `BinaryParseStream.extend(function*())`.
+