diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
new file mode 100644
index 0000000..b39e341
--- /dev/null
+++ b/.github/workflows/main.yml
@@ -0,0 +1,15 @@
+name: CI
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Create stand-alone binaries
+        run: npx pkg .
diff --git a/package-lock.json b/package-lock.json
index 5b5f410..26b43dd 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -179,6 +179,15 @@
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       "dev": true
     },
+    "@babel/runtime": {
+      "version": "7.12.1",
+      "resolved": "https://registry.npmjs.org/@babel/runtime/-/runtime-7.12.1.tgz",
+      "integrity": "sha512-J5AIf3vPj3UwXaAzb5j1xM4WAQDX3EMgemF8rjCP3SoW09LfRKAXQKt6CoVYl230P6iWdRcBbnLDDdnqWxZSCA==",
+      "dev": true,
+      "requires": {
+        "regenerator-runtime": "^0.13.4"
+      }
+    },
     "@babel/template": {
       "version": "7.8.6",
       "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.8.6.tgz",
@@ -357,6 +366,18 @@
         "indent-string": "^4.0.0"
       }
     },
+    "ajv": {
+      "version": "6.12.6",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.6.tgz",
+      "integrity": "sha512-j3fVLgvTo527anyYyJOGTYJbG+vnnQYvE0m5mmkc1TK+nxAppkCLMIL0aZ4dblVCNoGShhm+kzE4ZUykBoMg4g==",
+      "dev": true,
+      "requires": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      }
+    },
     "ansi-align": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/ansi-align/-/ansi-align-3.0.0.tgz",
@@ -479,12 +500,33 @@
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       "dev": true
     },
+    "asn1": {
+      "version": "0.2.4",
+      "resolved": "https://registry.npmjs.org/asn1/-/asn1-0.2.4.tgz",
+      "integrity": "sha512-jxwzQpLQjSmWXgwaCZE9Nz+glAG01yF1QnWgbhGwHI5A6FRIEY6IVqtHhIepHqI7/kyEyQEagBC5mBEFlIYvdg==",
+      "dev": true,
+      "requires": {
+        "safer-buffer": "~2.1.0"
+      }
+    },
+    "assert-plus": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/assert-plus/-/assert-plus-1.0.0.tgz",
+      "integrity": "sha1-8S4PPF13sLHN2RRpQuTpbB5N1SU=",
+      "dev": true
+    },
     "astral-regex": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-2.0.0.tgz",
       "integrity": "sha512-Z7tMw1ytTXt5jqMcOP+OQteU1VuNK9Y02uuJtKQ1Sv69jXQKKg5cibLwGJow8yzZP+eAc18EmLGPal0bp36rvQ==",
       "dev": true
     },
+    "asynckit": {
+      "version": "0.4.0",
+      "resolved": "https://registry.npmjs.org/asynckit/-/asynckit-0.4.0.tgz",
+      "integrity": "sha1-x57Zf380y48robyXkLzDZkdLS3k=",
+      "dev": true
+    },
     "ava": {
       "version": "3.8.1",
       "resolved": "https://registry.npmjs.org/ava/-/ava-3.8.1.tgz",
@@ -588,11 +630,32 @@
         }
       }
     },
+    "aws-sign2": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/aws-sign2/-/aws-sign2-0.7.0.tgz",
+      "integrity": "sha1-tG6JCTSpWR8tL2+G1+ap8bP+dqg=",
+      "dev": true
+    },
+    "aws4": {
+      "version": "1.10.1",
+      "resolved": "https://registry.npmjs.org/aws4/-/aws4-1.10.1.tgz",
+      "integrity": "sha512-zg7Hz2k5lI8kb7U32998pRRFin7zJlkfezGJjUc2heaD4Pw2wObakCDVzkKztTm/Ln7eiVvYsjqak0Ed4LkMDA==",
+      "dev": true
+    },
     "balanced-match": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
       "integrity": "sha1-ibTRmasr7kneFk6gK4nORi1xt2c="
     },
+    "bcrypt-pbkdf": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/bcrypt-pbkdf/-/bcrypt-pbkdf-1.0.2.tgz",
+      "integrity": "sha1-pDAdOJtqQ/m2f/PKEaP2Y342Dp4=",
+      "dev": true,
+      "requires": {
+        "tweetnacl": "^0.14.3"
+      }
+    },
     "binary-extensions": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-2.0.0.tgz",
@@ -663,6 +726,12 @@
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       "dev": true
     },
+    "byline": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/byline/-/byline-5.0.0.tgz",
+      "integrity": "sha1-dBxSFkaOrcRXsDQQEYrXfejB3bE=",
+      "dev": true
+    },
     "bytes": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/bytes/-/bytes-3.1.0.tgz",
@@ -725,6 +794,12 @@
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       "dev": true
     },
+    "caseless": {
+      "version": "0.12.0",
+      "resolved": "https://registry.npmjs.org/caseless/-/caseless-0.12.0.tgz",
+      "integrity": "sha1-G2gcIf+EAzyCZUMJBolCDRhxUdw=",
+      "dev": true
+    },
     "chainsaw": {
       "version": "0.0.9",
       "resolved": "https://registry.npmjs.org/chainsaw/-/chainsaw-0.0.9.tgz",
@@ -870,6 +945,15 @@
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       "dev": true
     },
+    "combined-stream": {
+      "version": "1.0.8",
+      "resolved": "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.8.tgz",
+      "integrity": "sha512-FQN4MRfuJeHf7cBbBMJFXhKSDq+2kAArBlmRBvcvFE5BB1HZKXtSFASDhdlz9zOYwxh8lDdnvmMOe/+5cdoEdg==",
+      "dev": true,
+      "requires": {
+        "delayed-stream": "~1.0.0"
+      }
+    },
     "common-path-prefix": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/common-path-prefix/-/common-path-prefix-3.0.0.tgz",
@@ -952,6 +1036,12 @@
       "integrity": "sha1-fj5Iu+bZl7FBfdyihoIEtNPYVxU=",
       "dev": true
     },
+    "core-util-is": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/core-util-is/-/core-util-is-1.0.2.tgz",
+      "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
+      "dev": true
+    },
     "cross-spawn": {
       "version": "7.0.1",
       "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-7.0.1.tgz",
@@ -978,6 +1068,15 @@
         "array-find-index": "^1.0.1"
       }
     },
+    "dashdash": {
+      "version": "1.14.1",
+      "resolved": "https://registry.npmjs.org/dashdash/-/dashdash-1.14.1.tgz",
+      "integrity": "sha1-hTz6D3y+L+1d4gMmuN1YEDX24vA=",
+      "dev": true,
+      "requires": {
+        "assert-plus": "^1.0.0"
+      }
+    },
     "date-time": {
       "version": "2.1.0",
       "resolved": "https://registry.npmjs.org/date-time/-/date-time-2.1.0.tgz",
@@ -1017,6 +1116,12 @@
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       "dev": true
     },
+    "deep-is": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
+      "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
+      "dev": true
+    },
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       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/default-require-extensions/-/default-require-extensions-3.0.0.tgz",
@@ -1083,6 +1188,12 @@
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       }
     },
+    "delayed-stream": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/delayed-stream/-/delayed-stream-1.0.0.tgz",
+      "integrity": "sha1-3zrhmayt+31ECqrgsp4icrJOxhk=",
+      "dev": true
+    },
     "depd": {
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       "resolved": "https://registry.npmjs.org/depd/-/depd-1.1.2.tgz",
@@ -1113,6 +1224,16 @@
       "integrity": "sha1-7gHdHKwO08vH/b6jfcCo8c4ALOI=",
       "dev": true
     },
+    "ecc-jsbn": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/ecc-jsbn/-/ecc-jsbn-0.1.2.tgz",
+      "integrity": "sha1-OoOpBOVDUyh4dMVkt1SThoSamMk=",
+      "dev": true,
+      "requires": {
+        "jsbn": "~0.1.0",
+        "safer-buffer": "^2.1.0"
+      }
+    },
     "emittery": {
       "version": "0.6.0",
       "resolved": "https://registry.npmjs.org/emittery/-/emittery-0.6.0.tgz",
@@ -1167,17 +1288,60 @@
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       "dev": true
     },
+    "escodegen": {
+      "version": "1.14.3",
+      "resolved": "https://registry.npmjs.org/escodegen/-/escodegen-1.14.3.tgz",
+      "integrity": "sha512-qFcX0XJkdg+PB3xjZZG/wKSuT1PnQWx57+TVSjIMmILd2yC/6ByYElPwJnslDsuWuSAp4AwJGumarAAmJch5Kw==",
+      "dev": true,
+      "requires": {
+        "esprima": "^4.0.1",
+        "estraverse": "^4.2.0",
+        "esutils": "^2.0.2",
+        "optionator": "^0.8.1",
+        "source-map": "~0.6.1"
+      }
+    },
     "esprima": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/esprima/-/esprima-4.0.1.tgz",
       "integrity": "sha512-eGuFFw7Upda+g4p+QHvnW0RyTX/SVeJBDM/gCtMARO0cLuT2HcEKnTPvhjV6aGeqrCB/sbNop0Kszm0jsaWU4A=="
     },
+    "estraverse": {
+      "version": "4.3.0",
+      "resolved": "https://registry.npmjs.org/estraverse/-/estraverse-4.3.0.tgz",
+      "integrity": "sha512-39nnKffWz8xN1BU/2c79n9nB9HDzo0niYUqx6xyqUnyoAnQyyWpOTdZEeiCch8BBu515t4wp9ZmgVfVhn9EBpw==",
+      "dev": true
+    },
     "esutils": {
       "version": "2.0.3",
       "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.3.tgz",
       "integrity": "sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==",
       "dev": true
     },
+    "expand-template": {
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/expand-template/-/expand-template-2.0.3.tgz",
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+      "dev": true
+    },
+    "extend": {
+      "version": "3.0.2",
+      "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
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+      "dev": true
+    },
+    "extsprintf": {
+      "version": "1.3.0",
+      "resolved": "https://registry.npmjs.org/extsprintf/-/extsprintf-1.3.0.tgz",
+      "integrity": "sha1-lpGEQOMEGnpBT4xS48V06zw+HgU=",
+      "dev": true
+    },
+    "fast-deep-equal": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/fast-deep-equal/-/fast-deep-equal-3.1.3.tgz",
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+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/fast-diff/-/fast-diff-1.2.0.tgz",
@@ -1198,6 +1362,18 @@
         "picomatch": "^2.2.1"
       }
     },
+    "fast-json-stable-stringify": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/fast-json-stable-stringify/-/fast-json-stable-stringify-2.1.0.tgz",
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+      "dev": true
+    },
+    "fast-levenshtein": {
+      "version": "2.0.6",
+      "resolved": "https://registry.npmjs.org/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz",
+      "integrity": "sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/fastq/-/fastq-1.7.0.tgz",
@@ -1256,12 +1432,50 @@
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       }
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+    "forever-agent": {
+      "version": "0.6.1",
+      "resolved": "https://registry.npmjs.org/forever-agent/-/forever-agent-0.6.1.tgz",
+      "integrity": "sha1-+8cfDEGt6zf5bFd60e1C2P2sypE=",
+      "dev": true
+    },
+    "form-data": {
+      "version": "2.3.3",
+      "resolved": "https://registry.npmjs.org/form-data/-/form-data-2.3.3.tgz",
+      "integrity": "sha512-1lLKB2Mu3aGP1Q/2eCOx0fNbRMe7XdwktwOruhfqqd0rIJWwN4Dh+E3hrPSlDCXnSR7UtZ1N38rVXm+6+MEhJQ==",
+      "dev": true,
+      "requires": {
+        "asynckit": "^0.4.0",
+        "combined-stream": "^1.0.6",
+        "mime-types": "^2.1.12"
+      }
+    },
+    "from2": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmjs.org/from2/-/from2-2.3.0.tgz",
+      "integrity": "sha1-i/tVAr3kpNNs/e6gB/zKIdfjgq8=",
+      "dev": true,
+      "requires": {
+        "inherits": "^2.0.1",
+        "readable-stream": "^2.0.0"
+      }
+    },
     "fromentries": {
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       "resolved": "https://registry.npmjs.org/fromentries/-/fromentries-1.2.0.tgz",
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       "dev": true
     },
+    "fs-extra": {
+      "version": "8.1.0",
+      "resolved": "https://registry.npmjs.org/fs-extra/-/fs-extra-8.1.0.tgz",
+      "integrity": "sha512-yhlQgA6mnOJUKOsRUFsgJdQCvkKhcz8tlZG5HBQfReYZy46OwLcY+Zia0mtdHsOo9y/hP+CxMN0TU9QxoOtG4g==",
+      "dev": true,
+      "requires": {
+        "graceful-fs": "^4.2.0",
+        "jsonfile": "^4.0.0",
+        "universalify": "^0.1.0"
+      }
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     "fs.realpath": {
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@@ -1300,6 +1514,15 @@
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+    "getpass": {
+      "version": "0.1.7",
+      "resolved": "https://registry.npmjs.org/getpass/-/getpass-0.1.7.tgz",
+      "integrity": "sha1-Xv+OPmhNVprkyysSgmBOi6YhSfo=",
+      "dev": true,
+      "requires": {
+        "assert-plus": "^1.0.0"
+      }
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+    "har-schema": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmjs.org/har-schema/-/har-schema-2.0.0.tgz",
+      "integrity": "sha1-qUwiJOvKwEeCoNkDVSHyRzW37JI=",
+      "dev": true
+    },
+    "har-validator": {
+      "version": "5.1.5",
+      "resolved": "https://registry.npmjs.org/har-validator/-/har-validator-5.1.5.tgz",
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+      "dev": true,
+      "requires": {
+        "ajv": "^6.12.3",
+        "har-schema": "^2.0.0"
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@@ -1445,6 +1684,17 @@
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+    "http-signature": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
+      "integrity": "sha1-muzZJRFHcvPZW2WmCruPfBj7rOE=",
+      "dev": true,
+      "requires": {
+        "assert-plus": "^1.0.0",
+        "jsprim": "^1.2.2",
+        "sshpk": "^1.7.0"
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+    "into-stream": {
+      "version": "5.1.1",
+      "resolved": "https://registry.npmjs.org/into-stream/-/into-stream-5.1.1.tgz",
+      "integrity": "sha512-krrAJ7McQxGGmvaYbB7Q1mcA+cRwg9Ij2RfWIeVesNBgVDZmzY/Fa4IpZUT3bmdRzMzdf/mzltCG2Dq99IZGBA==",
+      "dev": true,
+      "requires": {
+        "from2": "^2.3.0",
+        "p-is-promise": "^3.0.0"
+      }
+    },
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+        "mime-types": "~2.1.19",
+        "oauth-sign": "~0.9.0",
+        "performance-now": "^2.1.0",
+        "qs": "~6.5.2",
+        "safe-buffer": "^5.1.2",
+        "tough-cookie": "~2.5.0",
+        "tunnel-agent": "^0.6.0",
+        "uuid": "^3.3.2"
+      }
+    },
+    "request-progress": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/request-progress/-/request-progress-3.0.0.tgz",
+      "integrity": "sha1-TKdUCBx/7GP1BeT6qCWqBs1mnb4=",
+      "dev": true,
+      "requires": {
+        "throttleit": "^1.0.0"
+      }
+    },
     "require-directory": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/require-directory/-/require-directory-2.1.1.tgz",
@@ -2797,6 +3366,23 @@
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       "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw="
     },
+    "sshpk": {
+      "version": "1.16.1",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
+      "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
+      "dev": true,
+      "requires": {
+        "asn1": "~0.2.3",
+        "assert-plus": "^1.0.0",
+        "bcrypt-pbkdf": "^1.0.0",
+        "dashdash": "^1.12.0",
+        "ecc-jsbn": "~0.1.1",
+        "getpass": "^0.1.1",
+        "jsbn": "~0.1.0",
+        "safer-buffer": "^2.0.2",
+        "tweetnacl": "~0.14.0"
+      }
+    },
     "stack-utils": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/stack-utils/-/stack-utils-2.0.2.tgz",
@@ -2820,6 +3406,15 @@
       "integrity": "sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=",
       "dev": true
     },
+    "stream-meter": {
+      "version": "1.0.4",
+      "resolved": "https://registry.npmjs.org/stream-meter/-/stream-meter-1.0.4.tgz",
+      "integrity": "sha1-Uq+Vql6nYKJJFxZwTb/5D3Ov3R0=",
+      "dev": true,
+      "requires": {
+        "readable-stream": "^2.1.4"
+      }
+    },
     "string-width": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-4.2.0.tgz",
@@ -2831,6 +3426,15 @@
         "strip-ansi": "^6.0.0"
       }
     },
+    "string_decoder": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-1.1.1.tgz",
+      "integrity": "sha512-n/ShnvDi6FHbbVfviro+WojiFzv+s8MPMHBczVePfUpDJLwoLT0ht1l4YwBCbi8pJAveEEdnkHyPyTP/mzRfwg==",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "~5.1.0"
+      }
+    },
     "strip-ansi": {
       "version": "6.0.0",
       "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-6.0.0.tgz",
@@ -2926,6 +3530,12 @@
         "minimatch": "^3.0.4"
       }
     },
+    "throttleit": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/throttleit/-/throttleit-1.0.0.tgz",
+      "integrity": "sha1-nnhYNtr0Z0MUWlmEtiaNgoUorGw=",
+      "dev": true
+    },
     "time-zone": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/time-zone/-/time-zone-1.0.0.tgz",
@@ -2972,6 +3582,16 @@
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       "integrity": "sha512-y/mWCZinnvxjTKYhJ+pYxwD0mRLVvOtdS2Awbgxln6iEnt4rk0yBxeSBHkGJcPucRiG0e55mwWp+g/05rsrd6w=="
     },
+    "tough-cookie": {
+      "version": "2.5.0",
+      "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.5.0.tgz",
+      "integrity": "sha512-nlLsUzgm1kfLXSXfRZMc1KLAugd4hqJHDTvc2hDIwS3mZAfMEuMbc03SujMF+GEcpaX/qboeycw6iO8JwVv2+g==",
+      "dev": true,
+      "requires": {
+        "psl": "^1.1.28",
+        "punycode": "^2.1.1"
+      }
+    },
     "traverse": {
       "version": "0.3.9",
       "resolved": "https://registry.npmjs.org/traverse/-/traverse-0.3.9.tgz",
@@ -2983,6 +3603,30 @@
       "integrity": "sha1-n5up2e+odkw4dpi8v+sshI8RrbM=",
       "dev": true
     },
+    "tunnel-agent": {
+      "version": "0.6.0",
+      "resolved": "https://registry.npmjs.org/tunnel-agent/-/tunnel-agent-0.6.0.tgz",
+      "integrity": "sha1-J6XeoGs2sEoKmWZ3SykIaPD8QP0=",
+      "dev": true,
+      "requires": {
+        "safe-buffer": "^5.0.1"
+      }
+    },
+    "tweetnacl": {
+      "version": "0.14.5",
+      "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
+      "dev": true
+    },
+    "type-check": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
+      "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
+      "dev": true,
+      "requires": {
+        "prelude-ls": "~1.1.2"
+      }
+    },
     "type-fest": {
       "version": "0.3.1",
       "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.3.1.tgz",
@@ -2998,6 +3642,12 @@
         "is-typedarray": "^1.0.0"
       }
     },
+    "uid2": {
+      "version": "0.0.3",
+      "resolved": "https://registry.npmjs.org/uid2/-/uid2-0.0.3.tgz",
+      "integrity": "sha1-SDEm4Rd03y9xuLY53NeZw3YWK4I=",
+      "dev": true
+    },
     "unique-string": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/unique-string/-/unique-string-2.0.0.tgz",
@@ -3007,6 +3657,23 @@
         "crypto-random-string": "^2.0.0"
       }
     },
+    "unique-temp-dir": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/unique-temp-dir/-/unique-temp-dir-1.0.0.tgz",
+      "integrity": "sha1-bc6VsmgcoAPuv7MEpBX5y6vMU4U=",
+      "dev": true,
+      "requires": {
+        "mkdirp": "^0.5.1",
+        "os-tmpdir": "^1.0.1",
+        "uid2": "0.0.3"
+      }
+    },
+    "universalify": {
+      "version": "0.1.2",
+      "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.2.tgz",
+      "integrity": "sha512-rBJeI5CXAlmy1pV+617WB9J63U6XcazHHF2f2dbJix4XzpUF0RS3Zbj0FGIOCAva5P/d/GBOYaACQ1w+0azUkg==",
+      "dev": true
+    },
     "unpipe": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/unpipe/-/unpipe-1.0.0.tgz",
@@ -3046,6 +3713,15 @@
         }
       }
     },
+    "uri-js": {
+      "version": "4.4.0",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.4.0.tgz",
+      "integrity": "sha512-B0yRTzYdUCCn9n+F4+Gh4yIDtMQcaJsmYBDsTSG8g/OejKBodLQ2IHfN3bM7jUsRXndopT7OIXWdYqc1fjmV6g==",
+      "dev": true,
+      "requires": {
+        "punycode": "^2.1.0"
+      }
+    },
     "url-parse-lax": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/url-parse-lax/-/url-parse-lax-3.0.0.tgz",
@@ -3055,6 +3731,12 @@
         "prepend-http": "^2.0.0"
       }
     },
+    "util-deprecate": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/util-deprecate/-/util-deprecate-1.0.2.tgz",
+      "integrity": "sha1-RQ1Nyfpw3nMnYvvS1KKJgUGaDM8=",
+      "dev": true
+    },
     "uuid": {
       "version": "3.4.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.4.0.tgz",
@@ -3071,6 +3753,17 @@
         "spdx-expression-parse": "^3.0.0"
       }
     },
+    "verror": {
+      "version": "1.10.0",
+      "resolved": "https://registry.npmjs.org/verror/-/verror-1.10.0.tgz",
+      "integrity": "sha1-OhBcoXBTr1XW4nDB+CiGguGNpAA=",
+      "dev": true,
+      "requires": {
+        "assert-plus": "^1.0.0",
+        "core-util-is": "1.0.2",
+        "extsprintf": "^1.2.0"
+      }
+    },
     "wcwidth": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/wcwidth/-/wcwidth-1.0.1.tgz",
@@ -3110,6 +3803,12 @@
         "string-width": "^4.0.0"
       }
     },
+    "word-wrap": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
+      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==",
+      "dev": true
+    },
     "wrap-ansi": {
       "version": "6.2.0",
       "resolved": "https://registry.npmjs.org/wrap-ansi/-/wrap-ansi-6.2.0.tgz",
diff --git a/package.json b/package.json
index 2639ae3..2bc5dc0 100644
--- a/package.json
+++ b/package.json
@@ -35,6 +35,7 @@
   "devDependencies": {
     "ava": "^3.8.1",
     "nodejs-sh": "^0.2.0",
-    "nyc": "^15.0.0"
+    "nyc": "^15.0.0",
+    "pkg": "^4.4.9"
   }
 }