New updates and modules

node_modules/level-errors/.travis.yml

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+language: node_js
+
+node_js:
+  - 6
+  - 8
+  - 10
+
+after_success: npm run coverage

node_modules/level-errors/CHANGELOG.md

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+# Changelog
+
+_**If you are upgrading:** please see [`UPGRADING.md`](UPGRADING.md)._
+
+## [Unreleased][unreleased]
+
+## [2.0.1] - 2019-04-05
+
+### Changed
+
+- Upgrade `standard` devDependency from `^11.0.0` to `^12.0.0` ([#19](https://github.com/Level/errors/issues/19)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+- Apply common project tweaks ([#20](https://github.com/Level/errors/issues/20), [#21](https://github.com/Level/errors/issues/21)) ([**@vweevers**](https://github.com/vweevers))
+- Tweak license ([`b61e01b`](https://github.com/Level/errors/commit/b61e01b)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+- Tweak copyright years for less maintenance ([`772e911`](https://github.com/Level/errors/commit/772e911)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+### Added
+
+- Add `nyc` and `coveralls` ([#18](https://github.com/Level/errors/issues/18), [#22](https://github.com/Level/errors/issues/22)) ([**@ralphtheninja**](https://github.com/ralphtheninja), [**@vweevers**](https://github.com/vweevers))
+
+### Removed
+
+- Remove node 9 from travis ([`9254882`](https://github.com/Level/errors/commit/9254882)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+- Remove experimental typings ([`0ad3b37`](https://github.com/Level/errors/commit/0ad3b37)) ([**@vweevers**](https://github.com/vweevers))
+- Remove contributors from `package.json` ([`29e1ae1`](https://github.com/Level/errors/commit/29e1ae1)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+- Remove copyright headers from code ([`f5e5e40`](https://github.com/Level/errors/commit/f5e5e40)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+## [2.0.0] - 2018-05-13
+
+### Changed
+
+- Tweak readme, add npm and node badges ([`f80d1b7`](https://github.com/Level/errors/commit/f80d1b7)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+- Upgrade `standard` devDependency from `^10.0.3` to `^11.0.0` ([#12](https://github.com/Level/errors/issues/12)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+### Added
+
+- Add node 10 ([`b002756`](https://github.com/Level/errors/commit/b002756)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+### Removed
+
+- Drop node 0.12, 4, 5 and 7 ([`b002756`](https://github.com/Level/errors/commit/b002756), [`150a3c6`](https://github.com/Level/errors/commit/150a3c6)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+## [1.1.2] - 2017-11-13
+
+### Changed
+
+- Update README style ([#11](https://github.com/Level/errors/issues/11)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+### Added
+
+- Add `standard` devDependency ([#10](https://github.com/Level/errors/issues/10)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+## [1.1.1] - 2017-09-10
+
+### Fixed
+
+- Fix error `cause` argument in typings ([#9](https://github.com/Level/errors/issues/9)) ([**@MeirionHughes**](https://github.com/MeirionHughes))
+
+## [1.1.0] - 2017-09-10
+
+### Changed
+
+- Tweak README ([`64b4842`](https://github.com/Level/errors/commit/64b4842)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+### Added
+
+- Add basic typings ([#8](https://github.com/Level/errors/issues/8)) ([**@MeirionHughes**](https://github.com/MeirionHughes))
+
+## [1.0.5] - 2017-08-15
+
+### Changed
+
+- Update copyright year from 2015 to 2017 ([#7](https://github.com/Level/errors/issues/7)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+### Added
+
+- Add node 4, 5, 6, 7 and 8 ([#7](https://github.com/Level/errors/issues/7)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+- Add Greenkeeper ([#3](https://github.com/Level/errors/issues/3), [#6](https://github.com/Level/errors/issues/6)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+### Removed
+
+- Drop node 0.10 and iojs ([#7](https://github.com/Level/errors/issues/7)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+## [1.0.4] - 2015-08-25
+
+### Added
+
+- Document API ([#2](https://github.com/Level/errors/issues/2)) ([**@juliangruber**](https://github.com/juliangruber))
+
+## [1.0.3] - 2015-03-21
+
+### Fixed
+
+- Add node 0.10 to travis ([`fcc758c`](https://github.com/Level/errors/commit/fcc758c)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+## [1.0.2] - 2015-03-21
+
+### Changed
+
+- Tweak README to have same style as `codec` ([`d5e0cba`](https://github.com/Level/errors/commit/d5e0cba)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+### Added
+
+- Add travis ([`5f6d1cd`](https://github.com/Level/errors/commit/5f6d1cd), [`58690fa`](https://github.com/Level/errors/commit/58690fa), [`36c3199`](https://github.com/Level/errors/commit/36c3199)) ([**@ralphtheninja**](https://github.com/ralphtheninja))
+
+## 1.0.1 - 2015-03-20
+
+:seedling: Initial release.
+
+[unreleased]: https://github.com/Level/errors/compare/v2.0.1...HEAD
+
+[2.0.1]: https://github.com/Level/errors/compare/v2.0.0...v2.0.1
+
+[2.0.0]: https://github.com/Level/errors/compare/v1.1.2...v2.0.0
+
+[1.1.2]: https://github.com/Level/errors/compare/v1.1.1...v1.1.2
+
+[1.1.1]: https://github.com/Level/errors/compare/v1.1.0...v1.1.1
+
+[1.1.0]: https://github.com/Level/errors/compare/v1.0.5...v1.1.0
+
+[1.0.5]: https://github.com/Level/errors/compare/v1.0.4...v1.0.5
+
+[1.0.4]: https://github.com/Level/errors/compare/v1.0.3...v1.0.4
+
+[1.0.3]: https://github.com/Level/errors/compare/v1.0.2...v1.0.3
+
+[1.0.2]: https://github.com/Level/errors/compare/v1.0.1...v1.0.2

node_modules/level-errors/CONTRIBUTORS.md

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+# Contributors
+
+| Name                 | GitHub                                                 | Social                                                        |
+| :------------------- | :----------------------------------------------------- | :------------------------------------------------------------ |
+| **Lars-Magnus Skog** | [**@ralphtheninja**](https://github.com/ralphtheninja) | [**@ralph@social.weho.st**](https://social.weho.st/@ralph)    |
+| **Vincent Weevers**  | [**@vweevers**](https://github.com/vweevers)           | [**@vweevers@twitter**](https://twitter.com/vweevers)         |
+| **Meirion Hughes**   | [**@MeirionHughes**](https://github.com/MeirionHughes) |                                                               |
+| **Julian Gruber**    | [**@juliangruber**](https://github.com/juliangruber)   | [**@juliangruber@twitter**](https://twitter.com/juliangruber) |

node_modules/level-errors/LICENSE.md

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+# The MIT License (MIT)
+
+**Copyright © 2012-present [Contributors](CONTRIBUTORS.md).**
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

node_modules/level-errors/README.md

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+# level-errors
+
+> Error types for [levelup][levelup].
+
+[![level badge][level-badge]](https://github.com/Level/awesome)
+[![npm](https://img.shields.io/npm/v/level-errors.svg?label=&logo=npm)](https://www.npmjs.com/package/level-errors)
+[![Node version](https://img.shields.io/node/v/level-errors.svg)](https://www.npmjs.com/package/level-errors)
+[![Travis](https://img.shields.io/travis/Level/errors.svg?logo=travis&label=)](https://travis-ci.org/Level/errors)
+[![Coverage Status](https://coveralls.io/repos/github/Level/errors/badge.svg)](https://coveralls.io/github/Level/errors)
+[![JavaScript Style Guide](https://img.shields.io/badge/code_style-standard-brightgreen.svg)](https://standardjs.com)
+[![npm](https://img.shields.io/npm/dm/level-errors.svg?label=dl)](https://www.npmjs.com/package/level-errors)
+[![Backers on Open Collective](https://opencollective.com/level/backers/badge.svg?color=orange)](#backers)
+[![Sponsors on Open Collective](https://opencollective.com/level/sponsors/badge.svg?color=orange)](#sponsors)
+
+## API
+
+**If you are upgrading:** please see [`UPGRADING.md`](UPGRADING.md).
+
+### `.LevelUPError()`
+
+Generic error base class.
+
+### `.InitializationError()`
+
+Error initializing the database, like when the database's location argument is missing.
+
+### `.OpenError()`
+
+Error opening the database.
+
+### `.ReadError()`
+
+Error reading from the database.
+
+### `.WriteError()`
+
+Error writing to the database.
+
+### `.NotFoundError()`
+
+Data not found error.
+
+Has extra properties:
+
+- `notFound`: `true`
+- `status`: 404
+
+### `.EncodingError()`
+
+Error encoding data.
+
+## Contributing
+
+[`Level/errors`](https://github.com/Level/errors) is an **OPEN Open Source Project**. This means that:
+
+> Individuals making significant and valuable contributions are given commit-access to the project to contribute as they see fit. This project is more like an open wiki than a standard guarded open source project.
+
+See the [Contribution Guide](https://github.com/Level/community/blob/master/CONTRIBUTING.md) for more details.
+
+## Donate
+
+To sustain [`Level`](https://github.com/Level) and its activities, become a backer or sponsor on [Open Collective](https://opencollective.com/level). Your logo or avatar will be displayed on our 28+ [GitHub repositories](https://github.com/Level), [npm](https://www.npmjs.com/) packages and (soon) [our website](http://leveldb.org). 💖
+
+### Backers
+
+[![Open Collective backers](https://opencollective.com/level/backers.svg?width=890)](https://opencollective.com/level)
+
+### Sponsors
+
+[![Open Collective sponsors](https://opencollective.com/level/sponsors.svg?width=890)](https://opencollective.com/level)
+
+## License
+
+[MIT](LICENSE.md) © 2012-present [Contributors](CONTRIBUTORS.md).
+
+[level-badge]: http://leveldb.org/img/badge.svg
+
+[levelup]: https://github.com/Level/levelup

node_modules/level-errors/UPGRADING.md

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+# Upgrade Guide
+
+This document describes breaking changes and how to upgrade. For a complete list of changes including minor and patch releases, please refer to the [changelog](CHANGELOG.md).
+
+## v2
+
+Dropped node 0.12, 4, 5 and 7.

node_modules/level-errors/errors.js

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+var createError = require('errno').create
+var LevelUPError = createError('LevelUPError')
+var NotFoundError = createError('NotFoundError', LevelUPError)
+
+NotFoundError.prototype.notFound = true
+NotFoundError.prototype.status = 404
+
+module.exports = {
+  LevelUPError: LevelUPError,
+  InitializationError: createError('InitializationError', LevelUPError),
+  OpenError: createError('OpenError', LevelUPError),
+  ReadError: createError('ReadError', LevelUPError),
+  WriteError: createError('WriteError', LevelUPError),
+  NotFoundError: NotFoundError,
+  EncodingError: createError('EncodingError', LevelUPError)
+}

node_modules/level-errors/package.json

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+{
+  "name": "level-errors",
+  "version": "2.0.1",
+  "description": "Error types for levelup",
+  "license": "MIT",
+  "main": "errors.js",
+  "scripts": {
+    "test": "standard && hallmark && nyc node test.js",
+    "coverage": "nyc report --reporter=text-lcov | coveralls",
+    "hallmark": "hallmark --fix",
+    "dependency-check": "dependency-check . test.js",
+    "prepublishOnly": "npm run dependency-check"
+  },
+  "dependencies": {
+    "errno": "~0.1.1"
+  },
+  "devDependencies": {
+    "coveralls": "^3.0.2",
+    "dependency-check": "^3.3.0",
+    "hallmark": "^0.1.0",
+    "level-community": "^3.0.0",
+    "nyc": "^13.2.0",
+    "standard": "^12.0.0",
+    "tape": "^4.3.0"
+  },
+  "hallmark": {
+    "community": "level-community"
+  },
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/Level/errors.git"
+  },
+  "homepage": "https://github.com/Level/errors",
+  "keywords": [
+    "level",
+    "leveldb",
+    "levelup",
+    "leveldown",
+    "errors"
+  ],
+  "engines": {
+    "node": ">=6"
+  }
+}

node_modules/level-errors/test.js

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+var test = require('tape')
+var errors = require('./')
+
+test('all errors are instances of LevelUPError', function (t) {
+  var LevelUPError = errors.LevelUPError
+  var keys = Object.keys(errors)
+
+  keys.forEach(function (key) {
+    t.ok(new errors[key]() instanceof LevelUPError)
+  })
+
+  t.end()
+})
+
+test('NotFoundError has special properties', function (t) {
+  var error = new errors.NotFoundError()
+  t.equal(error.notFound, true)
+  t.equal(error.status, 404)
+  t.end()
+})