diff --git a/package-lock.json b/package-lock.json
index 497b8d7..e288b4b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -329,7 +329,8 @@
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "aproba": {
               "version": "1.2.0",
@@ -350,12 +351,14 @@
             "balanced-match": {
               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "brace-expansion": {
               "version": "1.1.11",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "balanced-match": "^1.0.0",
                 "concat-map": "0.0.1"
@@ -363,24 +366,25 @@
             },
             "chownr": {
               "version": "1.1.1",
-              "bundled": true,
-              "dev": true,
-              "optional": true
+              "bundled": true
             },
             "code-point-at": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "concat-map": {
               "version": "0.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "console-control-strings": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "core-util-is": {
               "version": "1.0.2",
@@ -418,8 +422,6 @@
             "fs-minipass": {
               "version": "1.2.5",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.2.1"
               }
@@ -497,7 +499,8 @@
             "inherits": {
               "version": "2.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "ini": {
               "version": "1.3.5",
@@ -509,6 +512,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -523,6 +527,7 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
@@ -530,12 +535,12 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "minipass": {
               "version": "2.3.5",
               "bundled": true,
-              "dev": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -544,8 +549,6 @@
             "minizlib": {
               "version": "1.2.1",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.2.1"
               }
@@ -554,6 +557,7 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -634,7 +638,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "object-assign": {
               "version": "4.1.1",
@@ -646,6 +651,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -730,8 +736,7 @@
             },
             "safe-buffer": {
               "version": "5.1.2",
-              "bundled": true,
-              "dev": true
+              "bundled": true
             },
             "safer-buffer": {
               "version": "2.1.2",
@@ -767,6 +772,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -786,6 +792,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
@@ -796,21 +803,6 @@
               "dev": true,
               "optional": true
             },
-            "tar": {
-              "version": "4.4.8",
-              "bundled": true,
-              "dev": true,
-              "optional": 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"
-              }
-            },
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
@@ -829,12 +821,12 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "yallist": {
               "version": "3.0.3",
-              "bundled": true,
-              "dev": true
+              "bundled": true
             }
           }
         },
@@ -4134,15 +4126,6 @@
         "universalify": "^0.1.0"
       }
     },
-    "fs-minipass": {
-      "version": "1.2.6",
-      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.6.tgz",
-      "integrity": "sha512-crhvyXcMejjv3Z5d2Fa9sf5xLYVCF5O1c71QxbVnbLsmYMBEvDAftewesN/HhY03YRoA7zOMxjNGrF5svGaaeQ==",
-      "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",
@@ -5586,7 +5569,8 @@
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "aproba": {
               "version": "1.2.0",
@@ -5607,12 +5591,14 @@
             "balanced-match": {
               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "brace-expansion": {
               "version": "1.1.11",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "balanced-match": "^1.0.0",
                 "concat-map": "0.0.1"
@@ -5620,24 +5606,25 @@
             },
             "chownr": {
               "version": "1.1.1",
-              "bundled": true,
-              "dev": true,
-              "optional": true
+              "bundled": true
             },
             "code-point-at": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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             "concat-map": {
               "version": "0.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "console-control-strings": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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             "core-util-is": {
               "version": "1.0.2",
@@ -5675,8 +5662,6 @@
             "fs-minipass": {
               "version": "1.2.5",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.2.1"
               }
@@ -5754,7 +5739,8 @@
             "inherits": {
               "version": "2.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "ini": {
               "version": "1.3.5",
@@ -5766,6 +5752,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -5780,6 +5767,7 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
@@ -5787,12 +5775,12 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "minipass": {
               "version": "2.3.5",
               "bundled": true,
-              "dev": true,
               "requires": {
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                 "yallist": "^3.0.0"
@@ -5801,8 +5789,6 @@
             "minizlib": {
               "version": "1.2.1",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.2.1"
               }
@@ -5811,6 +5797,7 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -5891,7 +5878,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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             "object-assign": {
               "version": "4.1.1",
@@ -5903,6 +5891,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -5987,8 +5976,7 @@
             },
             "safe-buffer": {
               "version": "5.1.2",
-              "bundled": true,
-              "dev": true
+              "bundled": true
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             "safer-buffer": {
               "version": "2.1.2",
@@ -6024,6 +6012,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -6043,6 +6032,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
@@ -6053,21 +6043,6 @@
               "dev": true,
               "optional": true
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-            "tar": {
-              "version": "4.4.8",
-              "bundled": true,
-              "dev": true,
-              "optional": 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"
-              }
-            },
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
@@ -6086,12 +6061,12 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "yallist": {
               "version": "3.0.3",
-              "bundled": true,
-              "dev": true
+              "bundled": true
             }
           }
         },
@@ -6700,15 +6675,6 @@
         "yallist": "^3.0.0"
       }
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-    "minizlib": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.2.1.tgz",
-      "integrity": "sha512-7+4oTUOWKg7AuL3vloEWekXY2/D20cevzsrNT2kGWm+39J9hGTCBv8VI5Pm5lXZ/o3/mdR4f8rflAPhnQb8mPA==",
-      "dev": true,
-      "requires": {
-        "minipass": "^2.2.1"
-      }
-    },
     "mississippi": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/mississippi/-/mississippi-3.0.0.tgz",
@@ -9539,18 +9505,81 @@
       "dev": true
     },
     "tar": {
-      "version": "4.4.10",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.10.tgz",
-      "integrity": "sha512-g2SVs5QIxvo6OLp0GudTqEf05maawKUxXru104iaayWA09551tFCTI8f1Asb4lPfkBr91k07iL4c11XO3/b0tA==",
-      "dev": true,
-      "requires": {
-        "chownr": "^1.1.1",
-        "fs-minipass": "^1.2.5",
-        "minipass": "^2.3.5",
-        "minizlib": "^1.2.1",
-        "mkdirp": "^0.5.0",
-        "safe-buffer": "^5.1.2",
-        "yallist": "^3.0.3"
+      "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": "3.1.1",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.1.1.tgz",
+          "integrity": "sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==",
+          "dev": true
+        }
       }
     },
     "terser": {
@@ -10263,7 +10292,8 @@
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "aproba": {
               "version": "1.2.0",
@@ -10284,12 +10314,14 @@
             "balanced-match": {
               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "brace-expansion": {
               "version": "1.1.11",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "balanced-match": "^1.0.0",
                 "concat-map": "0.0.1"
@@ -10297,24 +10329,25 @@
             },
             "chownr": {
               "version": "1.1.1",
-              "bundled": true,
-              "dev": true,
-              "optional": true
+              "bundled": true
             },
             "code-point-at": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "concat-map": {
               "version": "0.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "console-control-strings": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "core-util-is": {
               "version": "1.0.2",
@@ -10352,8 +10385,6 @@
             "fs-minipass": {
               "version": "1.2.5",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.2.1"
               }
@@ -10431,7 +10462,8 @@
             "inherits": {
               "version": "2.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "ini": {
               "version": "1.3.5",
@@ -10443,6 +10475,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -10457,6 +10490,7 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
@@ -10464,12 +10498,12 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "minipass": {
               "version": "2.3.5",
               "bundled": true,
-              "dev": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -10478,8 +10512,6 @@
             "minizlib": {
               "version": "1.2.1",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.2.1"
               }
@@ -10488,6 +10520,7 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -10568,7 +10601,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "object-assign": {
               "version": "4.1.1",
@@ -10580,6 +10614,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -10664,8 +10699,7 @@
             },
             "safe-buffer": {
               "version": "5.1.2",
-              "bundled": true,
-              "dev": true
+              "bundled": true
             },
             "safer-buffer": {
               "version": "2.1.2",
@@ -10701,6 +10735,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -10720,6 +10755,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
@@ -10730,21 +10766,6 @@
               "dev": true,
               "optional": true
             },
-            "tar": {
-              "version": "4.4.8",
-              "bundled": true,
-              "dev": true,
-              "optional": 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"
-              }
-            },
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
@@ -10763,12 +10784,12 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "yallist": {
               "version": "3.0.3",
-              "bundled": true,
-              "dev": true
+              "bundled": true
             }
           }
         },
@@ -11074,7 +11095,8 @@
             "ansi-regex": {
               "version": "2.1.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "aproba": {
               "version": "1.2.0",
@@ -11095,12 +11117,14 @@
             "balanced-match": {
               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "brace-expansion": {
               "version": "1.1.11",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "balanced-match": "^1.0.0",
                 "concat-map": "0.0.1"
@@ -11108,24 +11132,25 @@
             },
             "chownr": {
               "version": "1.1.1",
-              "bundled": true,
-              "dev": true,
-              "optional": true
+              "bundled": true
             },
             "code-point-at": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "concat-map": {
               "version": "0.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "console-control-strings": {
               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "core-util-is": {
               "version": "1.0.2",
@@ -11163,8 +11188,6 @@
             "fs-minipass": {
               "version": "1.2.5",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.2.1"
               }
@@ -11242,7 +11265,8 @@
             "inherits": {
               "version": "2.0.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "ini": {
               "version": "1.3.5",
@@ -11254,6 +11278,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "number-is-nan": "^1.0.0"
               }
@@ -11268,6 +11293,7 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "brace-expansion": "^1.1.7"
               }
@@ -11275,12 +11301,12 @@
             "minimist": {
               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "minipass": {
               "version": "2.3.5",
               "bundled": true,
-              "dev": true,
               "requires": {
                 "safe-buffer": "^5.1.2",
                 "yallist": "^3.0.0"
@@ -11289,8 +11315,6 @@
             "minizlib": {
               "version": "1.2.1",
               "bundled": true,
-              "dev": true,
-              "optional": true,
               "requires": {
                 "minipass": "^2.2.1"
               }
@@ -11299,6 +11323,7 @@
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "minimist": "0.0.8"
               }
@@ -11379,7 +11404,8 @@
             "number-is-nan": {
               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "object-assign": {
               "version": "4.1.1",
@@ -11391,6 +11417,7 @@
               "version": "1.4.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "wrappy": "1"
               }
@@ -11475,8 +11502,7 @@
             },
             "safe-buffer": {
               "version": "5.1.2",
-              "bundled": true,
-              "dev": true
+              "bundled": true
             },
             "safer-buffer": {
               "version": "2.1.2",
@@ -11512,6 +11538,7 @@
               "version": "1.0.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "code-point-at": "^1.0.0",
                 "is-fullwidth-code-point": "^1.0.0",
@@ -11531,6 +11558,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "ansi-regex": "^2.0.0"
               }
@@ -11541,21 +11569,6 @@
               "dev": true,
               "optional": true
             },
-            "tar": {
-              "version": "4.4.8",
-              "bundled": true,
-              "dev": true,
-              "optional": 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"
-              }
-            },
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
@@ -11574,12 +11587,12 @@
             "wrappy": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
             },
             "yallist": {
               "version": "3.0.3",
-              "bundled": true,
-              "dev": true
+              "bundled": true
             }
           }
         },