diff --git a/package-lock.json b/package-lock.json
index 0159c5f..ac5ccf8 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -240,6 +240,11 @@
         }
       }
     },
+    "@cto.af/textdecoder": {
+      "version": "0.0.0",
+      "resolved": "https://registry.npmjs.org/@cto.af/textdecoder/-/textdecoder-0.0.0.tgz",
+      "integrity": "sha512-sJpx3F5xcVV/9jNYJQtvimo4Vfld/nD3ph+ZWtQzZ03Zo8rJC7QKQTRcIGS13Rcz80DwFNthCWMrd58vpY4ZAQ=="
+    },
     "@types/node": {
       "version": "10.12.10",
       "resolved": "https://registry.npmjs.org/@types/node/-/node-10.12.10.tgz",
@@ -319,7 +324,7 @@
       "dependencies": {
         "acorn": {
           "version": "3.3.0",
-          "resolved": "http://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/acorn/-/acorn-3.3.0.tgz",
           "integrity": "sha1-ReN/s56No/JbruP/U2niu18iAXo=",
           "dev": true
         }
@@ -366,7 +371,7 @@
     },
     "ansi-escapes": {
       "version": "1.4.0",
-      "resolved": "http://registry.npmjs.org/ansi-escapes/-/ansi-escapes-1.4.0.tgz",
+      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-1.4.0.tgz",
       "integrity": "sha1-06ioOzGapneTZisT52HHkRQiMG4=",
       "dev": true
     },
@@ -623,7 +628,7 @@
         },
         "util": {
           "version": "0.10.3",
-          "resolved": "http://registry.npmjs.org/util/-/util-0.10.3.tgz",
+          "resolved": "https://registry.npmjs.org/util/-/util-0.10.3.tgz",
           "integrity": "sha1-evsa/lCAUkZInj23/g7TeTNqwPk=",
           "requires": {
             "inherits": "2.0.1"
@@ -2742,11 +2747,6 @@
       "resolved": "https://registry.npmjs.org/big.js/-/big.js-3.2.0.tgz",
       "integrity": "sha512-+hN/Zh2D08Mx65pZ/4g5bsmNiZUuChDiQfTUQ7qJr4/kuopCr88xZsAXv6mBoZEsUI4OuGHlX59qE94K2mMW8Q=="
     },
-    "bignumber.js": {
-      "version": "9.0.1",
-      "resolved": "https://registry.npmjs.org/bignumber.js/-/bignumber.js-9.0.1.tgz",
-      "integrity": "sha512-IdZR9mh6ahOBv/hYGiXyVuyCetmGJhtYkqLBpTStdhEGjegpPlUawydyaF3pbIOFynJTpllEs+NP+CS9jKFLjA=="
-    },
     "binary-extensions": {
       "version": "1.12.0",
       "resolved": "https://registry.npmjs.org/binary-extensions/-/binary-extensions-1.12.0.tgz",
@@ -2761,15 +2761,6 @@
         "file-uri-to-path": "1.0.0"
       }
     },
-    "bl": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/bl/-/bl-2.2.1.tgz",
-      "integrity": "sha512-6Pesp1w0DEX1N550i/uGV/TqucVL4AM/pgThFSN/Qq9si1/DF9aIHs1BxD8V/QU0HoeHO6cQRTAuYnLPKq1e4g==",
-      "requires": {
-        "readable-stream": "^2.3.5",
-        "safe-buffer": "^5.1.1"
-      }
-    },
     "bn.js": {
       "version": "4.11.8",
       "resolved": "https://registry.npmjs.org/bn.js/-/bn.js-4.11.8.tgz",
@@ -2951,9 +2942,9 @@
       "integrity": "sha1-JuYe0UIvtw3ULm42cp7VHYVf6Nk="
     },
     "bufferutil": {
-      "version": "4.0.2",
-      "resolved": "https://registry.npmjs.org/bufferutil/-/bufferutil-4.0.2.tgz",
-      "integrity": "sha512-AtnG3W6M8B2n4xDQ5R+70EXvOpnXsFYg/AK2yTZd+HQ/oxAdz+GI+DvjmhBw3L0ole+LJ0ngqY4JMbDzkfNzhA==",
+      "version": "4.0.3",
+      "resolved": "https://registry.npmjs.org/bufferutil/-/bufferutil-4.0.3.tgz",
+      "integrity": "sha512-yEYTwGndELGvfXsImMBLop58eaGW+YdONi1fNjTINSY98tmMmFijBG6WXgdkfuLNt4imzQNtIE+eBp1PVpMCSw==",
       "optional": true,
       "requires": {
         "node-gyp-build": "^4.2.0"
@@ -3038,12 +3029,12 @@
       "dev": true
     },
     "cbor": {
-      "version": "5.1.0",
-      "resolved": "https://registry.npmjs.org/cbor/-/cbor-5.1.0.tgz",
-      "integrity": "sha512-qzEc7kUShdMbWTaUH7X+aHW8owvBU3FS0dfYR1lGYpoZr0mGJhhojLlZJH653x/DfeMZ56h315FRNBUIG1R7qg==",
+      "version": "7.0.5",
+      "resolved": "https://registry.npmjs.org/cbor/-/cbor-7.0.5.tgz",
+      "integrity": "sha512-0aaAPgW92lLmypb9iCd22k7tSD1FbF6dps8VQzmIBKY6ych2gO09b2vo/SbaLTmezJuB8Kh88Rvpl/Uq52mNZg==",
       "requires": {
-        "bignumber.js": "^9.0.0",
-        "nofilter": "^1.0.4"
+        "@cto.af/textdecoder": "^0.0.0",
+        "nofilter": "^2.0.3"
       }
     },
     "center-align": {
@@ -3057,7 +3048,7 @@
     },
     "chalk": {
       "version": "1.1.3",
-      "resolved": "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz",
       "integrity": "sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=",
       "requires": {
         "ansi-styles": "^2.2.1",
@@ -3883,7 +3874,7 @@
       "dependencies": {
         "domelementtype": {
           "version": "1.1.3",
-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.1.3.tgz",
           "integrity": "sha1-vSh3PiZCiBrsUVRJJCmcXNgiGFs=",
           "dev": true
         }
@@ -3936,7 +3927,7 @@
         },
         "readable-stream": {
           "version": "1.1.14",
-          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
           "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
           "dev": true,
           "requires": {
@@ -4231,7 +4222,7 @@
         },
         "source-map": {
           "version": "0.2.0",
-          "resolved": "http://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.2.0.tgz",
           "integrity": "sha1-2rc/vPwrqBm03gO9b26qSBZLP50=",
           "dev": true,
           "optional": true,
@@ -5950,7 +5941,7 @@
         },
         "minimist": {
           "version": "1.2.0",
-          "resolved": "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz",
           "integrity": "sha1-o1AIsg9BOD7sH7kU9M1d95omQoQ=",
           "dev": true
         },
@@ -6429,7 +6420,7 @@
       "dependencies": {
         "domelementtype": {
           "version": "1.3.0",
-          "resolved": "http://registry.npmjs.org/domelementtype/-/domelementtype-1.3.0.tgz",
+          "resolved": "https://registry.npmjs.org/domelementtype/-/domelementtype-1.3.0.tgz",
           "integrity": "sha1-sXrtguirWeUt2cGbF1bg/BhyBMI=",
           "dev": true
         },
@@ -6941,7 +6932,7 @@
       "dependencies": {
         "async": {
           "version": "1.5.2",
-          "resolved": "http://registry.npmjs.org/async/-/async-1.5.2.tgz",
+          "resolved": "https://registry.npmjs.org/async/-/async-1.5.2.tgz",
           "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
           "dev": true
         },
@@ -7196,7 +7187,7 @@
         },
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
           "requires": {
@@ -7209,7 +7200,7 @@
         },
         "os-locale": {
           "version": "1.4.0",
-          "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
           "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
           "dev": true,
           "requires": {
@@ -7285,7 +7276,7 @@
         },
         "yargs": {
           "version": "6.6.0",
-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
           "integrity": "sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=",
           "dev": true,
           "requires": {
@@ -7306,7 +7297,7 @@
         },
         "yargs-parser": {
           "version": "4.2.1",
-          "resolved": "http://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
           "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
           "dev": true,
           "requires": {
@@ -7503,7 +7494,7 @@
         },
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
           "requires": {
@@ -7516,7 +7507,7 @@
         },
         "os-locale": {
           "version": "1.4.0",
-          "resolved": "http://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
+          "resolved": "https://registry.npmjs.org/os-locale/-/os-locale-1.4.0.tgz",
           "integrity": "sha1-IPnxeuKe00XoveWDsT0gCYA8FNk=",
           "dev": true,
           "requires": {
@@ -7592,7 +7583,7 @@
         },
         "yargs": {
           "version": "6.6.0",
-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-6.6.0.tgz",
           "integrity": "sha1-eC7CHvQDNF+DCoCMo9UTr1YGUgg=",
           "dev": true,
           "requires": {
@@ -7613,7 +7604,7 @@
         },
         "yargs-parser": {
           "version": "4.2.1",
-          "resolved": "http://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
+          "resolved": "https://registry.npmjs.org/yargs-parser/-/yargs-parser-4.2.1.tgz",
           "integrity": "sha1-KczqwNxPA8bIe0qfIX3RjJ90hxw=",
           "dev": true,
           "requires": {
@@ -7722,7 +7713,7 @@
     },
     "jsesc": {
       "version": "1.3.0",
-      "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-1.3.0.tgz",
       "integrity": "sha1-RsP+yMGJKxKwgz25vHYiF226s0s=",
       "dev": true
     },
@@ -7905,7 +7896,7 @@
     },
     "load-json-file": {
       "version": "2.0.0",
-      "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
+      "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-2.0.0.tgz",
       "integrity": "sha1-eUfkIUmvgNaWy/eXvKq8/h/inKg=",
       "requires": {
         "graceful-fs": "^4.1.2",
@@ -8398,7 +8389,7 @@
         },
         "marked": {
           "version": "0.3.19",
-          "resolved": "http://registry.npmjs.org/marked/-/marked-0.3.19.tgz",
+          "resolved": "https://registry.npmjs.org/marked/-/marked-0.3.19.tgz",
           "integrity": "sha512-ea2eGWOqNxPcXv8dyERdSr/6FmzvWwzjMxpfGB/sbMccXoct+xY+YukPD+QTUZwyvK7BZwcr4m21WBOW41pAkg==",
           "dev": true
         },
@@ -8560,7 +8551,7 @@
     },
     "minimist": {
       "version": "0.0.8",
-      "resolved": "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
+      "resolved": "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz",
       "integrity": "sha1-hX/Kv8M5fSYluCKCYuhqp6ARsF0="
     },
     "mixin-deep": {
@@ -8602,14 +8593,62 @@
       "integrity": "sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g="
     },
     "msgpack5": {
-      "version": "4.2.1",
-      "resolved": "https://registry.npmjs.org/msgpack5/-/msgpack5-4.2.1.tgz",
-      "integrity": "sha512-Xo7nE9ZfBVonQi1rSopNAqPdts/QHyuSEUwIEzAkB+V2FtmkkLUbP6MyVqVVQxsZYI65FpvW3Bb8Z9ZWEjbgHQ==",
+      "version": "5.3.2",
+      "resolved": "https://registry.npmjs.org/msgpack5/-/msgpack5-5.3.2.tgz",
+      "integrity": "sha512-e9jz+6InQIUb2cGzZ/Mi+rQBs1KFLby+gNi+22VwQ1pnC9ieZjysKGmRMjdlf6IyjsltbgY4tGoHwHmyS7l94A==",
       "requires": {
-        "bl": "^2.0.1",
+        "bl": "^4.0.0",
         "inherits": "^2.0.3",
-        "readable-stream": "^2.3.6",
+        "readable-stream": "^3.0.0",
         "safe-buffer": "^5.1.2"
+      },
+      "dependencies": {
+        "base64-js": {
+          "version": "1.5.1",
+          "resolved": "https://registry.npmjs.org/base64-js/-/base64-js-1.5.1.tgz",
+          "integrity": "sha512-AKpaYlHn8t4SVbOHCy+b5+KKgvR4vrsD8vbvrbiQJps7fKDTkjkDry6ji0rUJjC0kzbNePLwzxq8iypo41qeWA=="
+        },
+        "bl": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/bl/-/bl-4.1.0.tgz",
+          "integrity": "sha512-1W07cM9gS6DcLperZfFSj+bWLtaPGSOHWhPiGzXmvVJbRLdG82sH/Kn8EtW1VqWVA54AKf2h5k5BbnIbwF3h6w==",
+          "requires": {
+            "buffer": "^5.5.0",
+            "inherits": "^2.0.4",
+            "readable-stream": "^3.4.0"
+          },
+          "dependencies": {
+            "inherits": {
+              "version": "2.0.4",
+              "resolved": "https://registry.npmjs.org/inherits/-/inherits-2.0.4.tgz",
+              "integrity": "sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ=="
+            }
+          }
+        },
+        "buffer": {
+          "version": "5.7.1",
+          "resolved": "http://registry.npmjs.org/buffer/-/buffer-5.7.1.tgz",
+          "integrity": "sha512-EHcyIPBQ4BSGlvjB16k5KgAJ27CIsHY/2JBmCRReo48y9rQ3MaUzWX3KVlBa4U7MyX02HdVj0K7C3WaB3ju7FQ==",
+          "requires": {
+            "base64-js": "^1.3.1",
+            "ieee754": "^1.1.13"
+          }
+        },
+        "ieee754": {
+          "version": "1.2.1",
+          "resolved": "https://registry.npmjs.org/ieee754/-/ieee754-1.2.1.tgz",
+          "integrity": "sha512-dcyqhDvX1C46lXZcVqCpK+FtMRQVdIMN6/Df5js2zouUsqG7I6sFxitIC+7KYK29KdXOLHdu9zL4sFnoVQnqaA=="
+        },
+        "readable-stream": {
+          "version": "3.6.0",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-3.6.0.tgz",
+          "integrity": "sha512-BViHy7LKeTz4oNnkcLJ+lVSL6vpiFeX6/d3oSH8zCW7UxP2onchk+vTGB143xuFjHS3deTgkKoXXymXqymiIdA==",
+          "requires": {
+            "inherits": "^2.0.3",
+            "string_decoder": "^1.1.1",
+            "util-deprecate": "^1.0.1"
+          }
+        }
       }
     },
     "multimatch": {
@@ -8790,9 +8829,12 @@
       }
     },
     "nofilter": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/nofilter/-/nofilter-1.0.4.tgz",
-      "integrity": "sha512-N8lidFp+fCz+TD51+haYdbDGrcBWwuHX40F5+z0qkUjMJ5Tp+rdSuAkMJ9N9eoolDlEVTf6u5icM+cNKkKW2mA=="
+      "version": "2.0.3",
+      "resolved": "https://registry.npmjs.org/nofilter/-/nofilter-2.0.3.tgz",
+      "integrity": "sha512-FbuXC+lK+GU2+63D1kC1ETiZo+Z7SIi7B+mxKTCH1byrh6WFvfBCN/wpherFz0a0bjGd7EKTst/cz0yLeNngug==",
+      "requires": {
+        "@cto.af/textdecoder": "^0.0.0"
+      }
     },
     "nomnom": {
       "version": "1.6.2",
@@ -9350,7 +9392,7 @@
     },
     "pify": {
       "version": "2.3.0",
-      "resolved": "http://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
+      "resolved": "https://registry.npmjs.org/pify/-/pify-2.3.0.tgz",
       "integrity": "sha1-7RQaasBDqEnqWISY59yosVMw6Qw="
     },
     "pinkie": {
@@ -9848,7 +9890,7 @@
     },
     "readable-stream": {
       "version": "2.3.6",
-      "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
+      "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz",
       "integrity": "sha512-tQtKA9WIAhBF3+VLAseyMqZeBjW0AHJoxOtYqSUZNJxauErmLbVm2FW1y+J/YA9dUrAC39ITejlZWhVIwawkKw==",
       "requires": {
         "core-util-is": "~1.0.0",
@@ -10138,7 +10180,7 @@
       "dependencies": {
         "jsesc": {
           "version": "0.5.0",
-          "resolved": "http://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-0.5.0.tgz",
           "integrity": "sha1-597mbjXW/Bb3EP6R1c9p9w8IkR0=",
           "dev": true
         }
@@ -10900,7 +10942,7 @@
     },
     "strip-ansi": {
       "version": "3.0.1",
-      "resolved": "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
+      "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz",
       "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
       "requires": {
         "ansi-regex": "^2.0.0"
@@ -11122,7 +11164,7 @@
         },
         "load-json-file": {
           "version": "1.1.0",
-          "resolved": "http://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
+          "resolved": "https://registry.npmjs.org/load-json-file/-/load-json-file-1.1.0.tgz",
           "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
           "dev": true,
           "requires": {
@@ -11398,7 +11440,7 @@
         },
         "yargs": {
           "version": "3.10.0",
-          "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
           "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
           "requires": {
             "camelcase": "^1.0.2",
@@ -11591,9 +11633,9 @@
       "dev": true
     },
     "utf-8-validate": {
-      "version": "5.0.3",
-      "resolved": "https://registry.npmjs.org/utf-8-validate/-/utf-8-validate-5.0.3.tgz",
-      "integrity": "sha512-jtJM6fpGv8C1SoH4PtG22pGto6x+Y8uPprW0tw3//gGFhDDTiuksgradgFN6yRayDP4SyZZa6ZMGHLIa17+M8A==",
+      "version": "5.0.5",
+      "resolved": "https://registry.npmjs.org/utf-8-validate/-/utf-8-validate-5.0.5.tgz",
+      "integrity": "sha512-+pnxRYsS/axEpkrrEpzYfNZGXp0IjC/9RIxwM5gntY4Koi8SHmUGSfxfWqxZdRxrtaoVstuOzUp/rbs3JSPELQ==",
       "optional": true,
       "requires": {
         "node-gyp-build": "^4.2.0"
@@ -12020,9 +12062,9 @@
       }
     },
     "ws": {
-      "version": "7.4.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.0.tgz",
-      "integrity": "sha512-kyFwXuV/5ymf+IXhS6f0+eAFvydbaBW3zjpT6hUdAh/hbVjTIB5EHBGi0bPoCLSK2wcuz3BrEkB9LrYv1Nm4NQ=="
+      "version": "7.4.5",
+      "resolved": "https://registry.npmjs.org/ws/-/ws-7.4.5.tgz",
+      "integrity": "sha512-xzyu3hFvomRfXKH8vOFMU3OguG6oOvhXMo3xsGy3xWExqaM2dxBbVxuD99O7m3ZUFMvvscsZDqxfgMaRr/Nr1g=="
     },
     "xml-name-validator": {
       "version": "2.0.1",