diff --git a/package-lock.json b/package-lock.json
index 8615cf1..fe7ee66 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3026,18 +3026,38 @@
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-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.4.0.tgz",
-      "integrity": "sha1-ysmvh2LIWDYYcAPI3+GT5eLq5d8=",
+      "version": "6.5.4",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.4.tgz",
+      "integrity": "sha512-iLhC6ULemrljPZb+QutR5TQGB+pdW6KGD5RSegS+8sorOZT+rdQFbsQFJgvN3eRqNALqJer4oQ16YvJHlU8hzQ==",
       "dev": true,
       "requires": {
-        "bn.js": "^4.4.0",
-        "brorand": "^1.0.1",
+        "bn.js": "^4.11.9",
+        "brorand": "^1.1.0",
         "hash.js": "^1.0.0",
-        "hmac-drbg": "^1.0.0",
-        "inherits": "^2.0.1",
-        "minimalistic-assert": "^1.0.0",
-        "minimalistic-crypto-utils": "^1.0.0"
+        "hmac-drbg": "^1.0.1",
+        "inherits": "^2.0.4",
+        "minimalistic-assert": "^1.0.1",
+        "minimalistic-crypto-utils": "^1.0.1"
+      },
+      "dependencies": {
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+          "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.12.0.tgz",
+          "integrity": "sha512-c98Bf3tPniI+scsdk237ku1Dc3ujXQTSgyiPUDEOe7tRkhrqridvh8klBv0HCEso1OLOYcHuCv/cS6DNxKH+ZA==",
+          "dev": true
+        },
+        "inherits": {
+          "version": "2.0.4",
+          "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+          "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==",
+          "dev": true
+        },
+        "minimalistic-assert": {
+          "version": "1.0.1",
+          "resolved": "https://registry.npmjs.org/minimalistic-assert/-/minimalistic-assert-1.0.1.tgz",
+          "integrity": "sha512-UtJcAD4yEaGtjPezWuO9wC4nwUnVH/8/Im3yEHQP4b67cXlD/Qr9hdITCU1xDbSEXg2XKNaP8jsReV7vQd00/A==",
+          "dev": true
+        }
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@@ -3335,7 +3355,8 @@
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-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -3386,7 +3407,8 @@
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               "version": "0.4.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -3401,6 +3423,7 @@
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               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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               }
@@ -3409,6 +3432,7 @@
               "version": "2.10.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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               }
@@ -3417,6 +3441,7 @@
               "version": "1.1.7",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -3425,7 +3450,8 @@
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               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -3442,12 +3468,14 @@
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               "version": "1.1.0",
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-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "1.0.5",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -3455,17 +3483,20 @@
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               "version": "0.0.1",
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-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "1.1.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
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@@ -3511,7 +3542,8 @@
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               "version": "1.0.0",
               "bundled": true,
-              "dev": true
+              "dev": true,
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@@ -3537,7 +3569,8 @@
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-              "dev": true
+              "dev": true,
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@@ -3559,12 +3592,14 @@
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-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "1.0.11",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -3620,6 +3655,7 @@
               "version": "7.1.2",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -3632,7 +3668,8 @@
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               "bundled": true,
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@@ -3671,7 +3708,8 @@
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               "version": "2.16.3",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -3688,6 +3726,7 @@
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               "bundled": true,
               "dev": true,
+              "optional": true,
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@@ -3696,7 +3735,8 @@
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@@ -3708,6 +3748,7 @@
               "version": "1.0.0",
               "bundled": true,
               "dev": true,
+              "optional": true,
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@@ -3721,7 +3762,8 @@
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-              "dev": true
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@@ -3794,12 +3836,14 @@
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               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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               "version": "2.1.15",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -3808,6 +3852,7 @@
               "version": "3.0.4",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -3815,12 +3860,14 @@
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               "version": "0.0.8",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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             "mkdirp": {
               "version": "0.5.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -3873,7 +3920,8 @@
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               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -3891,6 +3939,7 @@
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               "bundled": true,
               "dev": true,
+              "optional": true,
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@@ -3920,7 +3969,8 @@
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               "version": "1.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
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@@ -3931,7 +3981,8 @@
             "process-nextick-args": {
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               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -3969,6 +4020,7 @@
               "version": "2.2.9",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -4013,6 +4065,7 @@
               "version": "2.6.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "glob": "^7.0.5"
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@@ -4020,7 +4073,8 @@
             "safe-buffer": {
               "version": "5.0.1",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -4078,6 +4132,7 @@
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               "bundled": true,
               "dev": true,
+              "optional": true,
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@@ -4088,6 +4143,7 @@
               "version": "1.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
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@@ -4102,6 +4158,7 @@
               "version": "3.0.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
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@@ -4116,6 +4173,7 @@
               "version": "2.2.1",
               "bundled": true,
               "dev": true,
+              "optional": true,
               "requires": {
                 "block-stream": "*",
                 "fstream": "^1.0.2",
@@ -4171,7 +4229,8 @@
             "util-deprecate": {
               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -4200,7 +4259,8 @@
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               "version": "1.0.2",
               "bundled": true,
-              "dev": true
+              "dev": true,
+              "optional": true
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@@ -5166,7 +5226,8 @@
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           "version": "2.1.1",
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-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -5187,12 +5248,14 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -5207,17 +5270,20 @@
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           "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
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           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -5334,7 +5400,8 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -5346,6 +5413,7 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -5360,6 +5428,7 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -5367,12 +5436,14 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -5391,6 +5462,7 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -5471,7 +5543,8 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "4.1.1",
@@ -5483,6 +5556,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -5568,7 +5642,8 @@
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           "version": "5.1.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -5604,6 +5679,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
+          "optional": true,
           "requires": {
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@@ -5623,6 +5699,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -5666,12 +5743,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -5693,6 +5772,24 @@
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       "dev": true
     },
+    "generate-function": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmjs.org/generate-function/-/generate-function-2.3.1.tgz",
+      "integrity": "sha512-eeB5GfMNeevm/GRYq20ShmsaGcmI81kIX2K9XQx5miC8KdHaC6Jm0qQ8ZNeGOi7wYB8OsdxKs+Y2oVuTFuVwKQ==",
+      "dev": true,
+      "requires": {
+        "is-property": "^1.0.2"
+      }
+    },
+    "generate-object-property": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/generate-object-property/-/generate-object-property-1.2.0.tgz",
+      "integrity": "sha1-nA4cQDCM6AT0eDYYuTf6iPmdUNA=",
+      "dev": true,
+      "requires": {
+        "is-property": "^1.0.0"
+      }
+    },
     "get-caller-file": {
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       "resolved": "https://registry.npmjs.org/get-caller-file/-/get-caller-file-1.0.2.tgz",
@@ -6592,9 +6689,13 @@
     },
     "is-my-json-valid": {
       "version": "2.17.1",
-      "resolved": "",
+      "resolved": "https://registry.npmjs.org/is-my-json-valid/-/is-my-json-valid-2.17.1.tgz",
+      "integrity": "sha512-Q2khNw+oBlWuaYvEEHtKSw/pCxD2L5Rc1C+UQme9X6JdRDh7m5D7HkozA0qa3DUkQ6VzCnEm8mVIQPyIRkI5sQ==",
       "dev": true,
       "requires": {
+        "generate-function": "^2.0.0",
+        "generate-object-property": "^1.1.0",
+        "jsonpointer": "^4.0.0",
         "xtend": "^4.0.0"
       }
     },
@@ -6684,6 +6785,12 @@
       "integrity": "sha1-eaKp7OfwlugPNtKy87wWwf9L8/o=",
       "dev": true
     },
+    "is-property": {
+      "version": "1.0.2",
+      "resolved": "https://registry.npmjs.org/is-property/-/is-property-1.0.2.tgz",
+      "integrity": "sha1-V/4cTkhHTt1lsJkR8msc1Ald2oQ=",
+      "dev": true
+    },
     "is-redirect": {
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@@ -6868,6 +6975,12 @@
       "integrity": "sha1-LHS27kHZPKUbe1qu6PUDYx0lKnM=",
       "dev": true
     },
+    "jsonpointer": {
+      "version": "4.1.0",
+      "resolved": "https://registry.npmjs.org/jsonpointer/-/jsonpointer-4.1.0.tgz",
+      "integrity": "sha512-CXcRvMyTlnR53xMcKnuMzfCA5i/nfblTnnr74CZb6C4vG39eu6w51t7nKmU5MfLfbTgGItliNyjO/ciNPDqClg==",
+      "dev": true
+    },
     "jsprim": {
       "version": "1.4.1",
       "resolved": "https://registry.npmjs.org/jsprim/-/jsprim-1.4.1.tgz",
@@ -11183,7 +11296,8 @@
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     "stringstream": {
       "version": "0.0.5",
-      "resolved": "",
+      "resolved": "https://registry.npmjs.org/stringstream/-/stringstream-0.0.5.tgz",
+      "integrity": "sha1-TkhM1N5aC7vuGORjB3EKioFiGHg=",
       "dev": true
     },
     "strip-ansi": {