diff --git a/package-lock.json b/package-lock.json
index ebddb0f..dc88520 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -2466,7 +2466,6 @@
       "version": "2.6.3",
       "resolved": "https://registry.npmjs.org/async/-/async-2.6.3.tgz",
       "integrity": "sha512-zflvls11DCy+dQWzTW2dzuilv8Z5X/pjfmZOWba6TNIVDm+2UDaJmXSOXlasHKfNBs8oo3M0aT50fDEWfKZjXg==",
-      "dev": true,
       "requires": {
         "lodash": "^4.17.14"
       }
@@ -3779,6 +3778,11 @@
       "integrity": "sha1-tf1UIgqivFq1eqtxQMlAdUUDwac=",
       "dev": true
     },
+    "corser": {
+      "version": "2.0.1",
+      "resolved": "https://registry.npmjs.org/corser/-/corser-2.0.1.tgz",
+      "integrity": "sha1-jtolLsqrWEDc2XXOuQ2TcMgZ/4c="
+    },
     "cosmiconfig": {
       "version": "5.2.1",
       "resolved": "https://registry.npmjs.org/cosmiconfig/-/cosmiconfig-5.2.1.tgz",
@@ -4279,6 +4283,17 @@
         "safer-buffer": "^2.1.0"
       }
     },
+    "ecstatic": {
+      "version": "3.3.2",
+      "resolved": "https://registry.npmjs.org/ecstatic/-/ecstatic-3.3.2.tgz",
+      "integrity": "sha512-fLf9l1hnwrHI2xn9mEDT7KIi22UDqA2jaCwyCbSUJh9a1V+LEUSL/JO/6TIz/QyuBURWUHrFL5Kg2TtO1bkkog==",
+      "requires": {
+        "he": "^1.1.1",
+        "mime": "^1.6.0",
+        "minimist": "^1.1.0",
+        "url-join": "^2.0.5"
+      }
+    },
     "ee-first": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/ee-first/-/ee-first-1.1.1.tgz",
@@ -4292,9 +4307,9 @@
       "dev": true
     },
     "elliptic": {
-      "version": "6.5.1",
-      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.1.tgz",
-      "integrity": "sha512-xvJINNLbTeWQjrl6X+7eQCrIy/YPv5XCpKW6kB5mKvtnGILoLDcySuwomfdzt0BMdLNVnuRNTuzKNHj0bva1Cg==",
+      "version": "6.5.3",
+      "resolved": "https://registry.npmjs.org/elliptic/-/elliptic-6.5.3.tgz",
+      "integrity": "sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==",
       "dev": true,
       "requires": {
         "bn.js": "^4.4.0",
@@ -4599,8 +4614,7 @@
     "eventemitter3": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/eventemitter3/-/eventemitter3-4.0.0.tgz",
-      "integrity": "sha512-qerSRB0p+UDEssxTtm6EDKcE7W4OaoisfIMl4CngyEhjpYglocpNg6UEqCvemdGhosAsg4sO2dXJOdyBifPGCg==",
-      "dev": true
+      "integrity": "sha512-qerSRB0p+UDEssxTtm6EDKcE7W4OaoisfIMl4CngyEhjpYglocpNg6UEqCvemdGhosAsg4sO2dXJOdyBifPGCg=="
     },
     "events": {
       "version": "3.0.0",
@@ -5083,7 +5097,6 @@
       "version": "1.9.0",
       "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.9.0.tgz",
       "integrity": "sha512-CRcPzsSIbXyVDl0QI01muNDu69S8trU4jArW9LpOt2WtC6LyUJetcIrmfHsRBx7/Jb6GHJUiuqyYxPooFfNt6A==",
-      "dev": true,
       "requires": {
         "debug": "^3.0.0"
       },
@@ -5092,7 +5105,6 @@
           "version": "3.2.6",
           "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
           "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
-          "dev": true,
           "requires": {
             "ms": "^2.1.1"
           }
@@ -5485,6 +5497,11 @@
         "minimalistic-assert": "^1.0.1"
       }
     },
+    "he": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/he/-/he-1.2.0.tgz",
+      "integrity": "sha512-F/1DnUGPopORZi0ni+CvrCgHQ5FyEAHRLSApuYWMmrbSwoN2Mn/7k+Gl38gJnR7yyDZk6WLXwiGod1JOWNDKGw=="
+    },
     "hmac-drbg": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/hmac-drbg/-/hmac-drbg-1.0.1.tgz",
@@ -5563,7 +5580,6 @@
       "version": "1.18.0",
       "resolved": "https://registry.npmjs.org/http-proxy/-/http-proxy-1.18.0.tgz",
       "integrity": "sha512-84I2iJM/n1d4Hdgc6y2+qY5mDaz2PUVjlg9znE9byl+q0uC3DeByqBGReQu5tpLK0TAqTIXScRUV+dg7+bUPpQ==",
-      "dev": true,
       "requires": {
         "eventemitter3": "^4.0.0",
         "follow-redirects": "^1.0.0",
@@ -5609,6 +5625,28 @@
         "micromatch": "^3.1.10"
       }
     },
+    "http-server": {
+      "version": "0.11.1",
+      "resolved": "https://registry.npmjs.org/http-server/-/http-server-0.11.1.tgz",
+      "integrity": "sha512-6JeGDGoujJLmhjiRGlt8yK8Z9Kl0vnl/dQoQZlc4oeqaUoAKQg94NILLfrY3oWzSyFaQCVNTcKE5PZ3cH8VP9w==",
+      "requires": {
+        "colors": "1.0.3",
+        "corser": "~2.0.0",
+        "ecstatic": "^3.0.0",
+        "http-proxy": "^1.8.1",
+        "opener": "~1.4.0",
+        "optimist": "0.6.x",
+        "portfinder": "^1.0.13",
+        "union": "~0.4.3"
+      },
+      "dependencies": {
+        "colors": {
+          "version": "1.0.3",
+          "resolved": "https://registry.npmjs.org/colors/-/colors-1.0.3.tgz",
+          "integrity": "sha1-BDP0TYCWgP3rYO0mDxsMJi6CpAs="
+        }
+      }
+    },
     "http-signature": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/http-signature/-/http-signature-1.2.0.tgz",
@@ -7412,8 +7450,7 @@
     "lodash": {
       "version": "4.17.15",
       "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
-      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A==",
-      "dev": true
+      "integrity": "sha512-8xOcRHvCjnocdS5cpwXQXVzmmh5e5+saE2QGoeQmbKmRS6J3VQppPOIt0MnmE+4xlZoumy0GPG0D0MVIQbNA1A=="
     },
     "lodash.clonedeep": {
       "version": "4.5.0",
@@ -7714,8 +7751,7 @@
     "mime": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/mime/-/mime-1.6.0.tgz",
-      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==",
-      "dev": true
+      "integrity": "sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg=="
     },
     "mime-db": {
       "version": "1.40.0",
@@ -7774,8 +7810,7 @@
     "minimist": {
       "version": "1.2.0",
       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
-      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
-      "dev": true
+      "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ="
     },
     "minipass": {
       "version": "2.9.0",
@@ -7839,7 +7874,6 @@
       "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"
       },
@@ -7847,8 +7881,7 @@
         "minimist": {
           "version": "0.0.8",
           "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
-          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0=",
-          "dev": true
+          "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
         }
       }
     },
@@ -7869,8 +7902,7 @@
     "ms": {
       "version": "2.1.2",
       "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
-      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
-      "dev": true
+      "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w=="
     },
     "multicast-dns": {
       "version": "6.2.3",
@@ -8307,6 +8339,11 @@
         "is-wsl": "^1.1.0"
       }
     },
+    "opener": {
+      "version": "1.4.3",
+      "resolved": "https://registry.npmjs.org/opener/-/opener-1.4.3.tgz",
+      "integrity": "sha1-XG2ixdflgx6P+jlklQ+NZnSskLg="
+    },
     "opn": {
       "version": "5.5.0",
       "resolved": "https://registry.npmjs.org/opn/-/opn-5.5.0.tgz",
@@ -8320,7 +8357,6 @@
       "version": "0.6.1",
       "resolved": "https://registry.npmjs.org/optimist/-/optimist-0.6.1.tgz",
       "integrity": "sha1-2j6nRob6IaGaERwybpDrFaAZZoY=",
-      "dev": true,
       "requires": {
         "minimist": "~0.0.1",
         "wordwrap": "~0.0.2"
@@ -8329,8 +8365,7 @@
         "minimist": {
           "version": "0.0.10",
           "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz",
-          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8=",
-          "dev": true
+          "integrity": "sha1-3j+YVD2/lggr5IrRoMfNqDYwHc8="
         }
       }
     },
@@ -8695,7 +8730,6 @@
       "version": "1.0.25",
       "resolved": "https://registry.npmjs.org/portfinder/-/portfinder-1.0.25.tgz",
       "integrity": "sha512-6ElJnHBbxVA1XSLgBp7G1FiCkQdlqGzuF7DswL5tcea+E8UpuvPU7beVAjjRwCioTS9ZluNbu+ZyRvgTsmqEBg==",
-      "dev": true,
       "requires": {
         "async": "^2.6.2",
         "debug": "^3.1.1",
@@ -8706,7 +8740,6 @@
           "version": "3.2.6",
           "resolved": "https://registry.npmjs.org/debug/-/debug-3.2.6.tgz",
           "integrity": "sha512-mel+jf7nrtEl5Pn1Qx46zARXKDpBbvzezse7p7LqINmdoIk8PYP5SySaxEmYv6TZ0JyEKA1hsCId6DIhgITtWQ==",
-          "dev": true,
           "requires": {
             "ms": "^2.1.1"
           }
@@ -9444,8 +9477,7 @@
     "requires-port": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/requires-port/-/requires-port-1.0.0.tgz",
-      "integrity": "sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8=",
-      "dev": true
+      "integrity": "sha1-kl0mAdOaxIXgkc8NpcbmlNw9yv8="
     },
     "resolve": {
       "version": "1.12.0",
@@ -11078,6 +11110,21 @@
       "integrity": "sha512-L5RAqCfXqAwR3RriF8pM0lU0w4Ryf/GgzONwi6KnL1taJQa7x1TCxdJnILX59WIGOwR57IVxn7Nej0fz1Ny6fw==",
       "dev": true
     },
+    "union": {
+      "version": "0.4.6",
+      "resolved": "https://registry.npmjs.org/union/-/union-0.4.6.tgz",
+      "integrity": "sha1-GY+9rrolTniLDvy2MLwR8kopWeA=",
+      "requires": {
+        "qs": "~2.3.3"
+      },
+      "dependencies": {
+        "qs": {
+          "version": "2.3.3",
+          "resolved": "https://registry.npmjs.org/qs/-/qs-2.3.3.tgz",
+          "integrity": "sha1-6eha2+ddoLvkyOBHaghikPhjtAQ="
+        }
+      }
+    },
     "union-value": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/union-value/-/union-value-1.0.1.tgz",
@@ -11221,6 +11268,11 @@
         }
       }
     },
+    "url-join": {
+      "version": "2.0.5",
+      "resolved": "https://registry.npmjs.org/url-join/-/url-join-2.0.5.tgz",
+      "integrity": "sha1-WvIvGMBSoACkjXuCxenC4v7tpyg="
+    },
     "url-parse": {
       "version": "1.4.7",
       "resolved": "https://registry.npmjs.org/url-parse/-/url-parse-1.4.7.tgz",
@@ -12981,8 +13033,7 @@
     "wordwrap": {
       "version": "0.0.3",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.3.tgz",
-      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc=",
-      "dev": true
+      "integrity": "sha1-o9XabNXAvAAI03I0u68b7WMFkQc="
     },
     "worker-farm": {
       "version": "1.7.0",
diff --git a/yarn.lock b/yarn.lock
index 6a3aceb..ddbc159 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1651,9 +1651,9 @@ bluebird@^3.3.0, bluebird@^3.5.1, bluebird@^3.5.3, bluebird@^3.5.5:
   integrity sha512-DdmyoGCleJnkbp3nkbxTLJ18rjDsE4yCggEwKNXkeV123sPNfOCYeDoeuOY+F2FrSjO1YXcTU+dsy96KMy+gcg==
 
 bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.4.0:
-  version "4.11.8"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
-  integrity sha512-ItfYfPLkWHUjckQCk8xC+LwxgK8NYcXywGigJgSwOP8Y2iyWT4f2vsZnoOXTTbo+o5yXmIUJ4gn5538SO5S3gA==
+  version "4.11.9"
+  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.9.tgz#26d556829458f9d1e81fc48952493d0ba3507828"
+  integrity sha512-E6QoYqCKZfgatHTdHzs1RRKP7ip4vvm+EyRUeE2RF0NblwVvb0p6jSVeNTOFxPn26QXN2o6SMfNxKp6kU8zQaw==
 
 body-parser@1.19.0, body-parser@^1.16.1:
   version "1.19.0"
@@ -2820,9 +2820,9 @@ electron-to-chromium@^1.3.191, electron-to-chromium@^1.3.295:
   integrity sha512-1qConyiVEbj4xZRBXqtGR003+9tV0rJF0PS6aeO0Ln/UL637js9hdwweCl07meh/kJoI2N4W8q3R3g3F5z46ww==
 
 elliptic@^6.0.0:
-  version "6.5.1"
-  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.1.tgz#c380f5f909bf1b9b4428d028cd18d3b0efd6b52b"
-  integrity sha512-xvJINNLbTeWQjrl6X+7eQCrIy/YPv5XCpKW6kB5mKvtnGILoLDcySuwomfdzt0BMdLNVnuRNTuzKNHj0bva1Cg==
+  version "6.5.3"
+  resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
+  integrity sha512-IMqzv5wNQf+E6aHeIqATs0tOLeOTwj1QKbRcS3jBbYkl5oLAserA8yJTT7/VyHUYG91PRmPyeQDObKLPpeS4dw==
   dependencies:
     bn.js "^4.4.0"
     brorand "^1.0.1"