diff --git a/package-lock.json b/package-lock.json
index 773eee8..c21c364 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3154,15 +3154,6 @@
             "integrity": "sha512-2QY5eeqVv4m2PfyMiEuy9adxNP+ajf+8AR05cEi+OAzPcOj90hvFImeZhTmKLBgSd9EvG33jsD7ZRxsx9dThkQ==",
             "dev": true
         },
-        "fs-minipass": {
-            "version": "1.2.5",
-            "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.5.tgz",
-            "integrity": "sha512-JhBl0skXjUPCFH7x6x61gQxrKyXsxB5gcgePLZCwfyCGGsTISMoIeObbrvVeP6Xmyaudw4TT43qV2Gz+iyd2oQ==",
-            "dev": true,
-            "requires": {
-                "minipass": "^2.2.1"
-            }
-        },
         "fs-write-stream-atomic": {
             "version": "1.0.10",
             "resolved": "https://registry.npmjs.org/fs-write-stream-atomic/-/fs-write-stream-atomic-1.0.10.tgz",
@@ -3238,9 +3229,7 @@
                 },
                 "chownr": {
                     "version": "1.0.1",
-                    "bundled": true,
-                    "dev": true,
-                    "optional": true
+                    "bundled": true
                 },
                 "code-point-at": {
                     "version": "1.1.0",
@@ -3296,8 +3285,6 @@
                 "fs-minipass": {
                     "version": "1.2.5",
                     "bundled": true,
-                    "dev": true,
-                    "optional": true,
                     "requires": {
                         "minipass": "^2.2.1"
                     }
@@ -3417,7 +3404,6 @@
                 "minipass": {
                     "version": "2.2.4",
                     "bundled": true,
-                    "dev": true,
                     "optional": true,
                     "requires": {
                         "safe-buffer": "^5.1.1",
@@ -3427,8 +3413,6 @@
                 "minizlib": {
                     "version": "1.1.0",
                     "bundled": true,
-                    "dev": true,
-                    "optional": true,
                     "requires": {
                         "minipass": "^2.2.1"
                     }
@@ -3617,7 +3601,6 @@
                 "safe-buffer": {
                     "version": "5.1.1",
                     "bundled": true,
-                    "dev": true,
                     "optional": true
                 },
                 "safer-buffer": {
@@ -3685,21 +3668,6 @@
                     "dev": true,
                     "optional": true
                 },
-                "tar": {
-                    "version": "4.4.1",
-                    "bundled": true,
-                    "dev": true,
-                    "optional": true,
-                    "requires": {
-                        "chownr": "^1.0.1",
-                        "fs-minipass": "^1.2.5",
-                        "minipass": "^2.2.4",
-                        "minizlib": "^1.1.0",
-                        "mkdirp": "^0.5.0",
-                        "safe-buffer": "^5.1.1",
-                        "yallist": "^3.0.2"
-                    }
-                },
                 "util-deprecate": {
                     "version": "1.0.2",
                     "bundled": true,
@@ -3724,7 +3692,6 @@
                 "yallist": {
                     "version": "3.0.2",
                     "bundled": true,
-                    "dev": true,
                     "optional": true
                 }
             }
@@ -4761,6 +4728,18 @@
                 "verror": "1.10.0"
             }
         },
+        "jsqr": {
+            "version": "1.4.0",
+            "resolved": "https://registry.npmjs.org/jsqr/-/jsqr-1.4.0.tgz",
+            "integrity": "sha512-dxLob7q65Xg2DvstYkRpkYtmKm2sPJ9oFhrhmudT1dZvNFFTlroai3AWSpLey/w5vMcLBXRgOJsbXpdN9HzU/A==",
+            "dev": true
+        },
+        "jsqr-es6": {
+            "version": "1.2.0",
+            "resolved": "https://registry.npmjs.org/jsqr-es6/-/jsqr-es6-1.2.0.tgz",
+            "integrity": "sha512-6icCg61Jz8MCVOUtD8gHjw5rc6Tvmu7mPE1x7VsUMEtdKM2lSkZgEtUzfbOWpB6SEgl6zToNGVKx2rVyTa12Gw==",
+            "dev": true
+        },
         "just-extend": {
             "version": "3.0.0",
             "resolved": "https://registry.npmjs.org/just-extend/-/just-extend-3.0.0.tgz",
@@ -5462,33 +5441,6 @@
             "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
             "dev": true
         },
-        "minipass": {
-            "version": "2.3.5",
-            "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.3.5.tgz",
-            "integrity": "sha512-Gi1W4k059gyRbyVUZQ4mEqLm0YIUiGYfvxhF6SIlk3ui1WVxMTGfGdQ2SInh3PDrRTVvPKgULkpJtT4RH10+VA==",
-            "dev": true,
-            "requires": {
-                "safe-buffer": "^5.1.2",
-                "yallist": "^3.0.0"
-            },
-            "dependencies": {
-                "yallist": {
-                    "version": "3.0.2",
-                    "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.2.tgz",
-                    "integrity": "sha1-hFK0u36Dx8GI2AQcGoN8dz1ti7k=",
-                    "dev": true
-                }
-            }
-        },
-        "minizlib": {
-            "version": "1.1.1",
-            "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.1.1.tgz",
-            "integrity": "sha512-TrfjCjk4jLhcJyGMYymBH6oTXcWjYbUAXTHDbtnWHjZC25h0cdajHuPE1zxb4DVmu8crfh+HwH/WMuyLG0nHBg==",
-            "dev": true,
-            "requires": {
-                "minipass": "^2.2.1"
-            }
-        },
         "mississippi": {
             "version": "3.0.0",
             "resolved": "https://registry.npmjs.org/mississippi/-/mississippi-3.0.0.tgz",
@@ -8966,24 +8918,79 @@
             "dev": true
         },
         "tar": {
-            "version": "4.4.7",
-            "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.7.tgz",
-            "integrity": "sha512-mR3MzsCdN0IEWjZRuF/J9gaWHnTwOvzjqPTcvi1xXgfKTDQRp39gRETPQEfPByAdEOGmZfx1HrRsn8estaEvtA==",
-            "dev": true,
-            "requires": {
-                "chownr": "^1.1.1",
-                "fs-minipass": "^1.2.5",
-                "minipass": "^2.3.4",
-                "minizlib": "^1.1.1",
-                "mkdirp": "^0.5.0",
-                "safe-buffer": "^5.1.2",
-                "yallist": "^3.0.2"
+            "version": "4.4.19",
+            "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.19.tgz",
+            "integrity": "sha512-a20gEsvHnWe0ygBY8JbxoM4w3SJdhc7ZAuxkLqh+nvNQN2IOt0B5lLgM490X5Hl8FF0dl0tOf2ewFYAlIFgzVA==",
+            "dev": true,
+            "requires": {
+                "chownr": "^1.1.4",
+                "fs-minipass": "^1.2.7",
+                "minipass": "^2.9.0",
+                "minizlib": "^1.3.3",
+                "mkdirp": "^0.5.5",
+                "safe-buffer": "^5.2.1",
+                "yallist": "^3.1.1"
             },
             "dependencies": {
+                "chownr": {
+                    "version": "1.1.4",
+                    "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.4.tgz",
+                    "integrity": "sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==",
+                    "dev": true
+                },
+                "fs-minipass": {
+                    "version": "1.2.7",
+                    "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.7.tgz",
+                    "integrity": "sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==",
+                    "dev": true,
+                    "requires": {
+                        "minipass": "^2.6.0"
+                    }
+                },
+                "minimist": {
+                    "version": "1.2.5",
+                    "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
+                    "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+                    "dev": true
+                },
+                "minipass": {
+                    "version": "2.9.0",
+                    "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.9.0.tgz",
+                    "integrity": "sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==",
+                    "dev": true,
+                    "requires": {
+                        "safe-buffer": "^5.1.2",
+                        "yallist": "^3.0.0"
+                    }
+                },
+                "minizlib": {
+                    "version": "1.3.3",
+                    "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.3.3.tgz",
+                    "integrity": "sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==",
+                    "dev": true,
+                    "requires": {
+                        "minipass": "^2.9.0"
+                    }
+                },
+                "mkdirp": {
+                    "version": "0.5.5",
+                    "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
+                    "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
+                    "dev": true,
+                    "requires": {
+                        "minimist": "^1.2.5"
+                    }
+                },
+                "safe-buffer": {
+                    "version": "5.2.1",
+                    "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.2.1.tgz",
+                    "integrity": "sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==",
+                    "dev": true
+                },
                 "yallist": {
-                    "version": "3.0.2",
-                    "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.2.tgz",
-                    "integrity": "sha1-hFK0u36Dx8GI2AQcGoN8dz1ti7k=",
+                    "version": "3.1.1",
+                    "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+                    "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
                     "dev": true
                 }
             }
diff --git a/yarn.lock b/yarn.lock
index 580402f..3816a8c 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1083,14 +1083,10 @@ chokidar@^2.0.3:
   optionalDependencies:
     fsevents "^1.2.2"
 
-chownr@^1.0.1:
-  version "1.0.1"
-  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
-
-chownr@^1.1.1:
-  version "1.1.1"
-  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.1.tgz#54726b8b8fff4df053c42187e801fb4412df1494"
-  integrity sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g==
+chownr@^1.0.1, chownr@^1.1.4:
+  version "1.1.4"
+  resolved "https://registry.yarnpkg.com/chownr/-/chownr-1.1.4.tgz#6fc9d7b42d32a583596337666e7d08084da2cc6b"
+  integrity sha512-jJ0bqzaylmJtVnNgzTeSOs8DPavpbYgEr/b0YL8/2GO3xJEhInFmhKMUnEJQjZumK7KXGFhUy89PrsJWlakBVg==
 
 chrome-trace-event@^1.0.0:
   version "1.0.0"
@@ -2193,11 +2189,12 @@ fs-copy-file-sync@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/fs-copy-file-sync/-/fs-copy-file-sync-1.1.1.tgz#11bf32c096c10d126e5f6b36d06eece776062918"
 
-fs-minipass@^1.2.5:
-  version "1.2.5"
-  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.5.tgz#06c277218454ec288df77ada54a03b8702aacb9d"
+fs-minipass@^1.2.7:
+  version "1.2.7"
+  resolved "https://registry.yarnpkg.com/fs-minipass/-/fs-minipass-1.2.7.tgz#ccff8570841e7fe4265693da88936c55aed7f7c7"
+  integrity sha512-GWSSJGFy4e9GUeCcbIkED+bgAoFyj7XF1mV8rma3QW4NIqX9Kyx79N/PF61H5udOV3aY1IaMLs6pGbH71nlCTA==
   dependencies:
-    minipass "^2.2.1"
+    minipass "^2.6.0"
 
 fs-write-stream-atomic@^1.0.8:
   version "1.0.10"
@@ -3526,37 +3523,29 @@ minimist@1.2.0, minimist@^1.1.3, minimist@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
+minimist@^1.2.5:
+  version "1.2.5"
+  resolved "https://registry.yarnpkg.com/minimist/-/minimist-1.2.5.tgz#67d66014b66a6a8aaa0c083c5fd58df4e4e97602"
+  integrity sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==
+
 minimist@~0.0.1:
   version "0.0.10"
   resolved "https://registry.yarnpkg.com/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
 
-minipass@^2.2.1, minipass@^2.3.3:
-  version "2.3.3"
-  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.3.3.tgz#a7dcc8b7b833f5d368759cce544dccb55f50f233"
+minipass@^2.6.0, minipass@^2.9.0:
+  version "2.9.0"
+  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.9.0.tgz#e713762e7d3e32fed803115cf93e04bca9fcc9a6"
+  integrity sha512-wxfUjg9WebH+CUDX/CdbRlh5SmfZiy/hpkxaRI16Y9W56Pa75sWgd/rvFilSgrauD9NyFymP/+JFV3KwzIsJeg==
   dependencies:
     safe-buffer "^5.1.2"
     yallist "^3.0.0"
 
-minipass@^2.3.4:
-  version "2.3.5"
-  resolved "https://registry.yarnpkg.com/minipass/-/minipass-2.3.5.tgz#cacebe492022497f656b0f0f51e2682a9ed2d848"
-  integrity sha512-Gi1W4k059gyRbyVUZQ4mEqLm0YIUiGYfvxhF6SIlk3ui1WVxMTGfGdQ2SInh3PDrRTVvPKgULkpJtT4RH10+VA==
-  dependencies:
-    safe-buffer "^5.1.2"
-    yallist "^3.0.0"
-
-minizlib@^1.1.0:
-  version "1.1.0"
-  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.1.0.tgz#11e13658ce46bc3a70a267aac58359d1e0c29ceb"
-  dependencies:
-    minipass "^2.2.1"
-
-minizlib@^1.1.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.2.1.tgz#dd27ea6136243c7c880684e8672bb3a45fd9b614"
-  integrity sha512-7+4oTUOWKg7AuL3vloEWekXY2/D20cevzsrNT2kGWm+39J9hGTCBv8VI5Pm5lXZ/o3/mdR4f8rflAPhnQb8mPA==
+minizlib@^1.3.3:
+  version "1.3.3"
+  resolved "https://registry.yarnpkg.com/minizlib/-/minizlib-1.3.3.tgz#2290de96818a34c29551c8a8d301216bd65a861d"
+  integrity sha512-6ZYMOEnmVsdCeTJVE0W9ZD+pVnE8h9Hma/iOwwRDsdQoePpoX56/8B6z3P9VNwppJuBKNRuFDRNRqRWexT9G9Q==
   dependencies:
-    minipass "^2.2.1"
+    minipass "^2.9.0"
 
 mississippi@^2.0.0:
   version "2.0.0"
@@ -3596,12 +3585,19 @@ mixin-deep@^1.2.0:
     for-in "^1.0.2"
     is-extendable "^1.0.1"
 
-mkdirp@0.5.1, mkdirp@0.5.x, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0:
+mkdirp@0.5.1:
   version "0.5.1"
   resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     minimist "0.0.8"
 
+mkdirp@0.5.x, mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@^0.5.5, mkdirp@~0.5.0:
+  version "0.5.5"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-0.5.5.tgz#d91cefd62d1436ca0f41620e251288d420099def"
+  integrity sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==
+  dependencies:
+    minimist "^1.2.5"
+
 mocha-lcov-reporter@^1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/mocha-lcov-reporter/-/mocha-lcov-reporter-1.3.0.tgz#469bdef4f8afc9a116056f079df6182d0afb0384"
@@ -4684,7 +4680,12 @@ rxjs@^6.1.0:
   dependencies:
     tslib "^1.9.0"
 
-safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@~5.1.0, safe-buffer@~5.1.1:
+safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1, safe-buffer@^5.1.2, safe-buffer@^5.2.1:
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
+  integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
+
+safe-buffer@~5.1.0, safe-buffer@~5.1.1:
   version "5.1.2"
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.1.2.tgz#991ec69d296e0313747d59bdfd2b745c35f8828d"
 
@@ -5266,30 +5267,18 @@ tar-stream@^1.1.2:
     to-buffer "^1.1.0"
     xtend "^4.0.0"
 
-tar@^4:
-  version "4.4.4"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.4.tgz#ec8409fae9f665a4355cc3b4087d0820232bb8cd"
+tar@^4, tar@^4.4.6:
+  version "4.4.19"
+  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.19.tgz#2e4d7263df26f2b914dee10c825ab132123742f3"
+  integrity sha512-a20gEsvHnWe0ygBY8JbxoM4w3SJdhc7ZAuxkLqh+nvNQN2IOt0B5lLgM490X5Hl8FF0dl0tOf2ewFYAlIFgzVA==
   dependencies:
-    chownr "^1.0.1"
-    fs-minipass "^1.2.5"
-    minipass "^2.3.3"
-    minizlib "^1.1.0"
-    mkdirp "^0.5.0"
-    safe-buffer "^5.1.2"
-    yallist "^3.0.2"
-
-tar@^4.4.6:
-  version "4.4.8"
-  resolved "https://registry.yarnpkg.com/tar/-/tar-4.4.8.tgz#b19eec3fde2a96e64666df9fdb40c5ca1bc3747d"
-  integrity sha512-LzHF64s5chPQQS0IYBn9IN5h3i98c12bo4NCO7e0sGM2llXQ3p2FGC5sdENN4cTW48O915Sh+x+EXx7XW96xYQ==
-  dependencies:
-    chownr "^1.1.1"
-    fs-minipass "^1.2.5"
-    minipass "^2.3.4"
-    minizlib "^1.1.1"
-    mkdirp "^0.5.0"
-    safe-buffer "^5.1.2"
-    yallist "^3.0.2"
+    chownr "^1.1.4"
+    fs-minipass "^1.2.7"
+    minipass "^2.9.0"
+    minizlib "^1.3.3"
+    mkdirp "^0.5.5"
+    safe-buffer "^5.2.1"
+    yallist "^3.1.1"
 
 test-exclude@^5.0.0:
   version "5.0.0"
@@ -5908,9 +5897,10 @@ yallist@^2.1.2:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/yallist/-/yallist-2.1.2.tgz#1c11f9218f076089a47dd512f93c6699a6a81d52"
 
-yallist@^3.0.0, yallist@^3.0.2:
-  version "3.0.2"
-  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.0.2.tgz#8452b4bb7e83c7c188d8041c1a837c773d6d8bb9"
+yallist@^3.0.0, yallist@^3.1.1:
+  version "3.1.1"
+  resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
+  integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==
 
 yargs-parser@^9.0.2:
   version "9.0.2"