diff --git a/package-lock.json b/package-lock.json
index 0d925b6..84466f8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,68 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@mapbox/node-pre-gyp": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/@mapbox/node-pre-gyp/-/node-pre-gyp-1.0.5.tgz",
+      "integrity": "sha512-4srsKPXWlIxp5Vbqz5uLfBN+du2fJChBoYn/f2h991WLdk7jUvcSk/McVLSv/X+xQIPI8eGD5GjrnygdyHnhPA==",
+      "requires": {
+        "detect-libc": "^1.0.3",
+        "https-proxy-agent": "^5.0.0",
+        "make-dir": "^3.1.0",
+        "node-fetch": "^2.6.1",
+        "nopt": "^5.0.0",
+        "npmlog": "^4.1.2",
+        "rimraf": "^3.0.2",
+        "semver": "^7.3.4",
+        "tar": "^6.1.0"
+      },
+      "dependencies": {
+        "lru-cache": {
+          "version": "6.0.0",
+          "resolved": "https://registry.npmjs.org/lru-cache/-/lru-cache-6.0.0.tgz",
+          "integrity": "sha512-Jo6dJ04CmSjuznwJSS3pUeWmd/H0ffTlkXXgwZi+eq1UCmqQwCh+eLsYOYCwY991i2Fah4h1BEMCx4qThGbsiA==",
+          "requires": {
+            "yallist": "^4.0.0"
+          }
+        },
+        "make-dir": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-3.1.0.tgz",
+          "integrity": "sha512-g3FeP20LNwhALb/6Cz6Dd4F2ngze0jz7tbzrD2wAV+o9FeNHe4rL+yK2md0J/fiSf1sa1ADhXqi5+oVwOM/eGw==",
+          "requires": {
+            "semver": "^6.0.0"
+          },
+          "dependencies": {
+            "semver": {
+              "version": "6.3.0",
+              "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+              "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw=="
+            }
+          }
+        },
+        "rimraf": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-3.0.2.tgz",
+          "integrity": "sha512-JZkJMZkAGFFPP2YqXZXPbMlMBgsxzE8ILs4lMIX/2o0L9UBw9O/Y3o6wFw/i9YLapcUJWwqbi3kdxIPdC62TIA==",
+          "requires": {
+            "glob": "^7.1.3"
+          }
+        },
+        "semver": {
+          "version": "7.3.5",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-7.3.5.tgz",
+          "integrity": "sha512-PoeGJYh8HK4BTO/a9Tf6ZG3veo/A7ZVsYrSA6J8ny9nb3B1VrpkuN+z9OE5wfE5p6H4LchYZsegiQgbJD94ZFQ==",
+          "requires": {
+            "lru-cache": "^6.0.0"
+          }
+        },
+        "yallist": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+          "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+        }
+      }
+    },
     "@types/chai": {
       "version": "4.1.7",
       "resolved": "https://registry.npmjs.org/@types/chai/-/chai-4.1.7.tgz",
@@ -249,6 +311,29 @@
       "integrity": "sha512-d3OEjQV4ROpoflsnUA8HozoIR504TFxNivYEUi6uwz0IYhBkTDXGuWlNdMtybRt3nqVx/L6XqMt0FxkXuWKZhw==",
       "dev": true
     },
+    "agent-base": {
+      "version": "6.0.2",
+      "resolved": "https://registry.npmjs.org/agent-base/-/agent-base-6.0.2.tgz",
+      "integrity": "sha512-RZNwNclF7+MS/8bDg70amg32dyeZGZxiDuQmZxKLAlQjr3jGyLx+4Kkk58UO7D2QdgFIQCovuSuZESne6RG6XQ==",
+      "requires": {
+        "debug": "4"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
+          "integrity": "sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==",
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
+      }
+    },
     "ajv": {
       "version": "6.10.0",
       "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.10.0.tgz",
@@ -797,12 +882,20 @@
       "dev": true
     },
     "canvas": {
-      "version": "2.4.1",
-      "resolved": "https://registry.npmjs.org/canvas/-/canvas-2.4.1.tgz",
-      "integrity": "sha512-SaFomFqDuuuSTScTHQ7nXc5ea71Ieb8ctvwXjR7vzLsBMfp3euTv2xsTY70zIoC5r4sSQZYXv6tiHiORJ4y1vg==",
+      "version": "2.8.0",
+      "resolved": "https://registry.npmjs.org/canvas/-/canvas-2.8.0.tgz",
+      "integrity": "sha512-gLTi17X8WY9Cf5GZ2Yns8T5lfBOcGgFehDFb+JQwDqdOoBOcECS9ZWMEAqMSVcMYwXD659J8NyzjRY/2aE+C2Q==",
       "requires": {
-        "nan": "^2.12.1",
-        "node-pre-gyp": "^0.11.0"
+        "@mapbox/node-pre-gyp": "^1.0.0",
+        "nan": "^2.14.0",
+        "simple-get": "^3.0.3"
+      },
+      "dependencies": {
+        "nan": {
+          "version": "2.14.2",
+          "resolved": "https://registry.npmjs.org/nan/-/nan-2.14.2.tgz",
+          "integrity": "sha512-M2ufzIiINKCuDfBSAUr1vWQ+vuVcA9kqx8JJUsbQi6yf1uGRyb7HfpdfUr5qLXf3B/t8dPvcjhKMmlfnP47EzQ=="
+        }
       }
     },
     "canvas2svg": {
@@ -864,7 +957,8 @@
     "chownr": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/chownr/-/chownr-1.1.1.tgz",
-      "integrity": "sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g=="
+      "integrity": "sha512-j38EvO5+LHX84jlo6h4UzmOwi0UgW61WRyPtJz4qaadK5eY3BTS5TY/S1Stc3Uk2lIM6TPevAlULiEJwie860g==",
+      "dev": true
     },
     "chrome-trace-event": {
       "version": "1.0.0",
@@ -1185,6 +1279,14 @@
       "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
       "dev": true
     },
+    "decompress-response": {
+      "version": "4.2.1",
+      "resolved": "https://registry.npmjs.org/decompress-response/-/decompress-response-4.2.1.tgz",
+      "integrity": "sha512-jOSne2qbyE+/r8G1VU+G/82LBs2Fs4LAsTiLSHOCOMZQl2OKZ6i8i4IyHemTe+/yIXOtTcRQMzPcgyhoFlqPkw==",
+      "requires": {
+        "mimic-response": "^2.0.0"
+      }
+    },
     "deep-eql": {
       "version": "3.0.1",
       "resolved": "https://registry.npmjs.org/deep-eql/-/deep-eql-3.0.1.tgz",
@@ -1200,11 +1302,6 @@
       "integrity": "sha1-9dJgKStmDghO/0zbyfCK0yR0SLU=",
       "dev": true
     },
-    "deep-extend": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/deep-extend/-/deep-extend-0.6.0.tgz",
-      "integrity": "sha512-LOHxIOaPYdHlJRtCQfDIVZtfw/ufM8+rVj649RIHzcm/vGwQRXFt6OPqIFWsm2XEMrNIEtWR64sY1LEKD2vAOA=="
-    },
     "default-gateway": {
       "version": "4.2.0",
       "resolved": "https://registry.npmjs.org/default-gateway/-/default-gateway-4.2.0.tgz",
@@ -1347,9 +1444,9 @@
       "dev": true
     },
     "dns-packet": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/dns-packet/-/dns-packet-1.3.1.tgz",
-      "integrity": "sha512-0UxfQkMhYAUaZI+xrNZOz/as5KgDU0M/fQ9b6SpkyLbk3GEswDi6PADJVaYJradtRVsRIlF1zLyOodbcTCDzUg==",
+      "version": "1.3.4",
+      "resolved": "https://registry.npmjs.org/dns-packet/-/dns-packet-1.3.4.tgz",
+      "integrity": "sha512-BQ6F4vycLXBvdrJZ6S3gZewt6rcrks9KBgM9vrhW+knGRqc8uEdT7fuCwloc7nny5xNoMJ17HGH0R/6fpo8ECA==",
       "dev": true,
       "requires": {
         "ip": "^1.1.0",
@@ -1957,11 +2054,11 @@
       }
     },
     "fs-minipass": {
-      "version": "1.2.5",
-      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-1.2.5.tgz",
-      "integrity": "sha512-JhBl0skXjUPCFH7x6x61gQxrKyXsxB5gcgePLZCwfyCGGsTISMoIeObbrvVeP6Xmyaudw4TT43qV2Gz+iyd2oQ==",
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/fs-minipass/-/fs-minipass-2.1.0.tgz",
+      "integrity": "sha512-V/JgOLFCS+R6Vcq0slCuaeWEdNC3ouDlJMNIsacH2VtALiu9mV4LPrHc5cDl8k5aw6J8jwgWWpiTo5RYhmIzvg==",
       "requires": {
-        "minipass": "^2.2.1"
+        "minipass": "^3.0.0"
       }
     },
     "fs-write-stream-atomic": {
@@ -2882,10 +2979,35 @@
       "integrity": "sha1-7AbBDgo0wPL68Zn3/X/Hj//QPHM=",
       "dev": true
     },
+    "https-proxy-agent": {
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/https-proxy-agent/-/https-proxy-agent-5.0.0.tgz",
+      "integrity": "sha512-EkYm5BcKUGiduxzSt3Eppko+PiNWNEpa4ySk9vTC6wDsQJW9rHSa+UhGNJoRYp7bz6Ht1eaRIa6QaJqO5rCFbA==",
+      "requires": {
+        "agent-base": "6",
+        "debug": "4"
+      },
+      "dependencies": {
+        "debug": {
+          "version": "4.3.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.3.1.tgz",
+          "integrity": "sha512-doEwdvm4PCeK4K3RQN2ZC2BYUBaxwLARCqZmMjtF8a51J2Rb0xpVloFRnCODwqjpwnAoao4pelN8l3RJdv3gRQ==",
+          "requires": {
+            "ms": "2.1.2"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
+        }
+      }
+    },
     "iconv-lite": {
       "version": "0.4.23",
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.23.tgz",
       "integrity": "sha512-neyTUVFtahjf0mB3dZT77u+8O0QB89jFdnBkd5P1JgYPbPaia3gXXOVL2fq8VyU2gMMD7SaN7QukTB/pmXYvDA==",
+      "dev": true,
       "requires": {
         "safer-buffer": ">= 2.1.2 < 3"
       }
@@ -2902,14 +3024,6 @@
       "integrity": "sha1-xg7taebY/bazEEofy8ocGS3FtQE=",
       "dev": true
     },
-    "ignore-walk": {
-      "version": "3.0.1",
-      "resolved": "https://registry.npmjs.org/ignore-walk/-/ignore-walk-3.0.1.tgz",
-      "integrity": "sha512-DTVlMx3IYPe0/JJcYP7Gxg7ttZZu3IInhuEhbchuqneY9wWe5Ojy2mXLBaQFUQmo0AW2r3qG7m1mg86js+gnlQ==",
-      "requires": {
-        "minimatch": "^3.0.4"
-      }
-    },
     "import-local": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/import-local/-/import-local-2.0.0.tgz",
@@ -2949,7 +3063,8 @@
     "ini": {
       "version": "1.3.5",
       "resolved": "https://registry.npmjs.org/ini/-/ini-1.3.5.tgz",
-      "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw=="
+      "integrity": "sha512-RZY5huIKCMRWDUqZlEi72f/lmXKMvuszcMBduliQ3nnWbx9X/ZBQO7DijMEYS9EhHBb2qacRUMtC7svLwe0lcw==",
+      "dev": true
     },
     "internal-ip": {
       "version": "4.3.0",
@@ -3488,6 +3603,11 @@
       "integrity": "sha512-OqbOk5oEQeAZ8WXWydlu9HJjz9WVdEIvamMCcXmuqUYjTknH/sqsWvhQ3vgwKFRR1HpjvNBKQ37nbJgYzGqGcg==",
       "dev": true
     },
+    "mimic-response": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/mimic-response/-/mimic-response-2.1.0.tgz",
+      "integrity": "sha512-wXqjST+SLt7R009ySCglWBCFpjUygmCIfD790/kVbiGmUgfYGuB14PiTd5DwVxSV4NcYHjzMkoj5LjQZwTQLEA=="
+    },
     "minimalistic-assert": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
@@ -3511,23 +3631,38 @@
     "minimist": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
+      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
+      "dev": true
     },
     "minipass": {
-      "version": "2.3.5",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-2.3.5.tgz",
-      "integrity": "sha512-Gi1W4k059gyRbyVUZQ4mEqLm0YIUiGYfvxhF6SIlk3ui1WVxMTGfGdQ2SInh3PDrRTVvPKgULkpJtT4RH10+VA==",
+      "version": "3.1.3",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.1.3.tgz",
+      "integrity": "sha512-Mgd2GdMVzY+x3IJ+oHnVM+KG3lA5c8tnabyJKmHSaG2kAGpudxuOf8ToDkhumF7UzME7DecbQE9uOZhNm7PuJg==",
       "requires": {
-        "safe-buffer": "^5.1.2",
-        "yallist": "^3.0.0"
+        "yallist": "^4.0.0"
+      },
+      "dependencies": {
+        "yallist": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+          "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+        }
       }
     },
     "minizlib": {
-      "version": "1.2.1",
-      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-1.2.1.tgz",
-      "integrity": "sha512-7+4oTUOWKg7AuL3vloEWekXY2/D20cevzsrNT2kGWm+39J9hGTCBv8VI5Pm5lXZ/o3/mdR4f8rflAPhnQb8mPA==",
+      "version": "2.1.2",
+      "resolved": "https://registry.npmjs.org/minizlib/-/minizlib-2.1.2.tgz",
+      "integrity": "sha512-bAxsR8BVfj60DWXHE3u30oHzfl4G7khkSuPW+qvpd7jFRHm7dLxOjUk1EHACJ/hxLY8phGJ0YhYHZo7jil7Qdg==",
       "requires": {
-        "minipass": "^2.2.1"
+        "minipass": "^3.0.0",
+        "yallist": "^4.0.0"
+      },
+      "dependencies": {
+        "yallist": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+          "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+        }
       }
     },
     "mississippi": {
@@ -3573,6 +3708,7 @@
       "version": "0.5.1",
       "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz",
       "integrity": "sha1-MAV0OOrGz3+MR2fzhkjWaX11yQM=",
+      "dev": true,
       "requires": {
         "minimist": "0.0.8"
       },
@@ -3580,7 +3716,8 @@
         "minimist": {
           "version": "0.0.8",
           "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
+          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
+          "dev": true
         }
       }
     },
@@ -3753,7 +3890,9 @@
     "nan": {
       "version": "2.13.2",
       "resolved": "https://registry.npmjs.org/nan/-/nan-2.13.2.tgz",
-      "integrity": "sha512-TghvYc72wlMGMVMluVo9WRJc0mB8KxxF/gZ4YYFy7V2ZQX9l7rgbPg7vjS9mt6U5HXODVFVI2bOduCzwOMv/lw=="
+      "integrity": "sha512-TghvYc72wlMGMVMluVo9WRJc0mB8KxxF/gZ4YYFy7V2ZQX9l7rgbPg7vjS9mt6U5HXODVFVI2bOduCzwOMv/lw==",
+      "dev": true,
+      "optional": true
     },
     "nanomatch": {
       "version": "1.2.13",
@@ -3774,31 +3913,6 @@
         "to-regex": "^3.0.1"
       }
     },
-    "needle": {
-      "version": "2.3.1",
-      "resolved": "https://registry.npmjs.org/needle/-/needle-2.3.1.tgz",
-      "integrity": "sha512-CaLXV3W8Vnbps8ZANqDGz7j4x7Yj1LW4TWF/TQuDfj7Cfx4nAPTvw98qgTevtto1oHDrh3pQkaODbqupXlsWTg==",
-      "requires": {
-        "debug": "^4.1.0",
-        "iconv-lite": "^0.4.4",
-        "sax": "^1.2.4"
-      },
-      "dependencies": {
-        "debug": {
-          "version": "4.1.1",
-          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
-          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
-          "requires": {
-            "ms": "^2.1.1"
-          }
-        },
-        "ms": {
-          "version": "2.1.1",
-          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
-          "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg=="
-        }
-      }
-    },
     "negotiator": {
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/negotiator/-/negotiator-0.6.1.tgz",
@@ -3827,6 +3941,11 @@
         "semver": "^5.7.0"
       }
     },
+    "node-fetch": {
+      "version": "2.6.1",
+      "resolved": "https://registry.npmjs.org/node-fetch/-/node-fetch-2.6.1.tgz",
+      "integrity": "sha512-V4aYg89jEoVRxRb2fJdAg8FHvI7cEyYdVAh94HH0UIK8oJxUfkjlDQN9RbMx+bEjP7+ggMiFRprSti032Oipxw=="
+    },
     "node-forge": {
       "version": "0.7.5",
       "resolved": "https://registry.npmjs.org/node-forge/-/node-forge-0.7.5.tgz",
@@ -3872,30 +3991,12 @@
         }
       }
     },
-    "node-pre-gyp": {
-      "version": "0.11.0",
-      "resolved": "https://registry.npmjs.org/node-pre-gyp/-/node-pre-gyp-0.11.0.tgz",
-      "integrity": "sha512-TwWAOZb0j7e9eGaf9esRx3ZcLaE5tQ2lvYy1pb5IAaG1a2e2Kv5Lms1Y4hpj+ciXJRofIxxlt5haeQ/2ANeE0Q==",
-      "requires": {
-        "detect-libc": "^1.0.2",
-        "mkdirp": "^0.5.1",
-        "needle": "^2.2.1",
-        "nopt": "^4.0.1",
-        "npm-packlist": "^1.1.6",
-        "npmlog": "^4.0.2",
-        "rc": "^1.2.7",
-        "rimraf": "^2.6.1",
-        "semver": "^5.3.0",
-        "tar": "^4"
-      }
-    },
     "nopt": {
-      "version": "4.0.1",
-      "resolved": "https://registry.npmjs.org/nopt/-/nopt-4.0.1.tgz",
-      "integrity": "sha1-0NRoWv1UFRk8jHUFYC0NF81kR00=",
+      "version": "5.0.0",
+      "resolved": "https://registry.npmjs.org/nopt/-/nopt-5.0.0.tgz",
+      "integrity": "sha512-Tbj67rffqceeLpcRXrT7vKAN8CwfPeIBgM7E6iBkmKLV7bEMwpGgYLGv0jACUsECaa/vuxP0IjEont6umdMgtQ==",
       "requires": {
-        "abbrev": "1",
-        "osenv": "^0.1.4"
+        "abbrev": "1"
       }
     },
     "normalize-path": {
@@ -3904,20 +4005,6 @@
       "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==",
       "dev": true
     },
-    "npm-bundled": {
-      "version": "1.0.6",
-      "resolved": "https://registry.npmjs.org/npm-bundled/-/npm-bundled-1.0.6.tgz",
-      "integrity": "sha512-8/JCaftHwbd//k6y2rEWp6k1wxVfpFzB6t1p825+cUb7Ym2XQfhwIC5KwhrvzZRJu+LtDE585zVaS32+CGtf0g=="
-    },
-    "npm-packlist": {
-      "version": "1.4.1",
-      "resolved": "https://registry.npmjs.org/npm-packlist/-/npm-packlist-1.4.1.tgz",
-      "integrity": "sha512-+TcdO7HJJ8peiiYhvPxsEDhF3PJFGUGRcFsGve3vxvxdcpO2Z4Z7rkosRM0kWj6LfbK/P0gu3dzk5RU1ffvFcw==",
-      "requires": {
-        "ignore-walk": "^3.0.1",
-        "npm-bundled": "^1.0.1"
-      }
-    },
     "npm-run-path": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/npm-run-path/-/npm-run-path-2.0.2.tgz",
@@ -4078,11 +4165,6 @@
       "integrity": "sha1-hUNzx/XCMVkU/Jv8a9gjj92h7Cc=",
       "dev": true
     },
-    "os-homedir": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/os-homedir/-/os-homedir-1.0.2.tgz",
-      "integrity": "sha1-/7xJiDNuDoM94MFox+8VISGqf7M="
-    },
     "os-locale": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-3.1.0.tgz",
@@ -4094,20 +4176,6 @@
         "mem": "^4.0.0"
       }
     },
-    "os-tmpdir": {
-      "version": "1.0.2",
-      "resolved": "https://registry.npmjs.org/os-tmpdir/-/os-tmpdir-1.0.2.tgz",
-      "integrity": "sha1-u+Z0BseaqFxc/sdm/lc0VV36EnQ="
-    },
-    "osenv": {
-      "version": "0.1.5",
-      "resolved": "https://registry.npmjs.org/osenv/-/osenv-0.1.5.tgz",
-      "integrity": "sha512-0CWcCECdMVc2Rw3U5w9ZjqX6ga6ubk1xDVKxtBQPK7wis/0F2r9T6k4ydGYhecl7YUBxBVxhL5oisPsNxAPe2g==",
-      "requires": {
-        "os-homedir": "^1.0.0",
-        "os-tmpdir": "^1.0.0"
-      }
-    },
     "p-defer": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/p-defer/-/p-defer-1.0.0.tgz",
@@ -4459,17 +4527,6 @@
         "unpipe": "1.0.0"
       }
     },
-    "rc": {
-      "version": "1.2.8",
-      "resolved": "https://registry.npmjs.org/rc/-/rc-1.2.8.tgz",
-      "integrity": "sha512-y3bGgqKj3QBdxLbLkomlohkvsA8gdAiUQlSBJnBhfn+BPxg4bc62d8TcBW15wavDfgexCgccckhcZvywyQYPOw==",
-      "requires": {
-        "deep-extend": "^0.6.0",
-        "ini": "~1.3.0",
-        "minimist": "^1.2.0",
-        "strip-json-comments": "~2.0.1"
-      }
-    },
     "readable-stream": {
       "version": "2.3.6",
       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
@@ -4582,6 +4639,7 @@
       "version": "2.6.3",
       "resolved": "https://registry.npmjs.org/rimraf/-/rimraf-2.6.3.tgz",
       "integrity": "sha512-mwqeW5XsA2qAejG46gYdENaxXjx9onRNCfn7L0duuP4hCuTIi/QO7PDK07KJfp1d+izWPrzEJDcSqBa0OZQriA==",
+      "dev": true,
       "requires": {
         "glob": "^7.1.3"
       }
@@ -4622,12 +4680,8 @@
     "safer-buffer": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/safer-buffer/-/safer-buffer-2.1.2.tgz",
-      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg=="
-    },
-    "sax": {
-      "version": "1.2.4",
-      "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
-      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw=="
+      "integrity": "sha512-YZo3K82SD7Riyi0E1EQPojLz7kpepnSQI9IyPbHHg1XXXevb5dJI7tpyN2ADxGcQbHG7vcyRHk0cbwqcQriUtg==",
+      "dev": true
     },
     "schema-utils": {
       "version": "1.0.0",
@@ -4658,7 +4712,8 @@
     "semver": {
       "version": "5.7.0",
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
-      "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA=="
+      "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+      "dev": true
     },
     "send": {
       "version": "0.16.2",
@@ -4784,6 +4839,21 @@
       "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.2.tgz",
       "integrity": "sha1-tf3AjxKH6hF4Yo5BXiUTK3NkbG0="
     },
+    "simple-concat": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.1.tgz",
+      "integrity": "sha512-cSFtAPtRhljv69IK0hTVZQ+OfE9nePi/rtJmw5UjHeVyVroEqJXP1sFztKUy1qU+xvz3u/sfYJLa947b7nAN2Q=="
+    },
+    "simple-get": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/simple-get/-/simple-get-3.1.0.tgz",
+      "integrity": "sha512-bCR6cP+aTdScaQCnQKbPKtJOKDp/hj9EDLJo3Nw4y1QksqaovlW/bnptB6/c1e+qmNIDHRK+oXFDdEqBT8WzUA==",
+      "requires": {
+        "decompress-response": "^4.2.0",
+        "once": "^1.3.1",
+        "simple-concat": "^1.0.0"
+      }
+    },
     "snapdragon": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/snapdragon/-/snapdragon-0.8.2.tgz",
@@ -5186,7 +5256,8 @@
     "strip-json-comments": {
       "version": "2.0.1",
       "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-2.0.1.tgz",
-      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo="
+      "integrity": "sha1-PFMZQukIwml8DsNEhYwobHygpgo=",
+      "dev": true
     },
     "supports-color": {
       "version": "5.5.0",
@@ -5204,17 +5275,33 @@
       "dev": true
     },
     "tar": {
-      "version": "4.4.8",
-      "resolved": "https://registry.npmjs.org/tar/-/tar-4.4.8.tgz",
-      "integrity": "sha512-LzHF64s5chPQQS0IYBn9IN5h3i98c12bo4NCO7e0sGM2llXQ3p2FGC5sdENN4cTW48O915Sh+x+EXx7XW96xYQ==",
-      "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": "6.1.0",
+      "resolved": "https://registry.npmjs.org/tar/-/tar-6.1.0.tgz",
+      "integrity": "sha512-DUCttfhsnLCjwoDoFcI+B2iJgYa93vBnDUATYEeRx6sntCTdN01VnqsIuTlALXla/LWooNg0yEGeB+Y8WdFxGA==",
+      "requires": {
+        "chownr": "^2.0.0",
+        "fs-minipass": "^2.0.0",
+        "minipass": "^3.0.0",
+        "minizlib": "^2.1.1",
+        "mkdirp": "^1.0.3",
+        "yallist": "^4.0.0"
+      },
+      "dependencies": {
+        "chownr": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/chownr/-/chownr-2.0.0.tgz",
+          "integrity": "sha512-bIomtDF5KGpdogkLd9VspvFzk9KfpyyGlS8YFVZl7TGPBHL5snIOnxeshwVgPteQ9b4Eydl+pVbIyE1DcvCWgQ=="
+        },
+        "mkdirp": {
+          "version": "1.0.4",
+          "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-1.0.4.tgz",
+          "integrity": "sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw=="
+        },
+        "yallist": {
+          "version": "4.0.0",
+          "resolved": "https://registry.npmjs.org/yallist/-/yallist-4.0.0.tgz",
+          "integrity": "sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A=="
+        }
       }
     },
     "terser": {
@@ -5925,7 +6012,8 @@
     "yallist": {
       "version": "3.0.3",
       "resolved": "https://registry.npmjs.org/yallist/-/yallist-3.0.3.tgz",
-      "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A=="
+      "integrity": "sha512-S+Zk8DEWE6oKpV+vI3qWkaK+jSbIK86pCwe2IF/xwIpQ8jEuxpw9NyaGjmp9+BoJv5FV2piqCDcoCtStppiq2A==",
+      "dev": true
     },
     "yargs": {
       "version": "12.0.5",