diff --git a/.travis.yml b/.travis.yml
index c835841d..efbbba47 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,4 @@
 language: node_js
-sudo: false
 node_js:
   - 8
   - 10
diff --git a/package-lock.json b/package-lock.json
index 73b1aee6..560c9e22 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,29 +14,55 @@
       }
     },
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-      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.9.0.tgz",
-      "integrity": "sha512-kWc7L0fw1xwvI0zi8OKVBuxRVefwGOrKSQMvrQ3dW+bIIavBY3/NpXmpjMy7bQnLgwgzWQZ8TlM57YHpHNHz4w==",
-      "dev": true,
-      "requires": {
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-        "@babel/generator": "^7.9.0",
-        "@babel/helper-module-transforms": "^7.9.0",
-        "@babel/helpers": "^7.9.0",
-        "@babel/parser": "^7.9.0",
-        "@babel/template": "^7.8.6",
-        "@babel/traverse": "^7.9.0",
-        "@babel/types": "^7.9.0",
+      "version": "7.11.5",
+      "resolved": "https://registry.npmjs.org/@babel/core/-/core-7.11.5.tgz",
+      "integrity": "sha512-fsEANVOcZHzrsV6dMVWqpSeXClq3lNbYrfFGme6DE25FQWe7pyeYpXyx9guqUnpy466JLzZ8z4uwSr2iv60V5Q==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.10.4",
+        "@babel/generator": "^7.11.5",
+        "@babel/helper-module-transforms": "^7.11.0",
+        "@babel/helpers": "^7.10.4",
+        "@babel/parser": "^7.11.5",
+        "@babel/template": "^7.10.4",
+        "@babel/traverse": "^7.11.5",
+        "@babel/types": "^7.11.5",
         "convert-source-map": "^1.7.0",
         "debug": "^4.1.0",
         "gensync": "^1.0.0-beta.1",
         "json5": "^2.1.2",
-        "lodash": "^4.17.13",
+        "lodash": "^4.17.19",
         "resolve": "^1.3.2",
         "semver": "^5.4.1",
-        "source-map": "^0.5.0"
+        "source-map": "^0.6.1"
       },
       "dependencies": {
+        "@babel/code-frame": {
+          "version": "7.10.4",
+          "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.10.4.tgz",
+          "integrity": "sha512-vG6SvB6oYEhvgisZNFRmRCUkLz11c7rp+tbNTynGqc6mS1d5ATd/sGyV6W0KZZnXRKMTzZDRgQT3Ou9jhpAfUg==",
+          "dev": true,
+          "requires": {
+            "@babel/highlight": "^7.10.4"
+          }
+        },
+        "@babel/helper-validator-identifier": {
+          "version": "7.10.4",
+          "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.10.4.tgz",
+          "integrity": "sha512-3U9y+43hz7ZM+rzG24Qe2mufW5KhvFg/NhnNph+i9mgCtdTCtMJuI1TMkrIUiK7Ix4PYlRF9I5dhqaLYA/ADXw==",
+          "dev": true
+        },
+        "@babel/highlight": {
+          "version": "7.10.4",
+          "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.10.4.tgz",
+          "integrity": "sha512-i6rgnR/YgPEQzZZnbTHHuZdlE8qyoBNalD6F+q4vAFlcMEcqmkoG+mPqJYJCo63qPf74+Y1UZsl3l6f7/RIkmA==",
+          "dev": true,
+          "requires": {
+            "@babel/helper-validator-identifier": "^7.10.4",
+            "chalk": "^2.0.0",
+            "js-tokens": "^4.0.0"
+          }
+        },
         "semver": {
           "version": "5.7.1",
           "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.1.tgz",
@@ -46,108 +72,107 @@
       }
     },
     "@babel/generator": {
-      "version": "7.9.4",
-      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.9.4.tgz",
-      "integrity": "sha512-rjP8ahaDy/ouhrvCoU1E5mqaitWrxwuNGU+dy1EpaoK48jZay4MdkskKGIMHLZNewg8sAsqpGSREJwP0zH3YQA==",
+      "version": "7.11.5",
+      "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.11.5.tgz",
+      "integrity": "sha512-9UqHWJ4IwRTy4l0o8gq2ef8ws8UPzvtMkVKjTLAiRmza9p9V6Z+OfuNd9fB1j5Q67F+dVJtPC2sZXI8NM9br4g==",
       "dev": true,
       "requires": {
-        "@babel/types": "^7.9.0",
+        "@babel/types": "^7.11.5",
         "jsesc": "^2.5.1",
-        "lodash": "^4.17.13",
-        "source-map": "^0.5.0"
+        "source-map": "^0.6.1"
       }
     },
     "@babel/helper-function-name": {
-      "version": "7.8.3",
-      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.8.3.tgz",
-      "integrity": "sha512-BCxgX1BC2hD/oBlIFUgOCQDOPV8nSINxCwM3o93xP4P9Fq6aV5sgv2cOOITDMtCfQ+3PvHp3l689XZvAM9QyOA==",
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-function-name/-/helper-function-name-7.10.4.tgz",
+      "integrity": "sha512-YdaSyz1n8gY44EmN7x44zBn9zQ1Ry2Y+3GTA+3vH6Mizke1Vw0aWDM66FOYEPw8//qKkmqOckrGgTYa+6sceqQ==",
       "dev": true,
       "requires": {
-        "@babel/helper-get-function-arity": "^7.8.3",
-        "@babel/template": "^7.8.3",
-        "@babel/types": "^7.8.3"
+        "@babel/helper-get-function-arity": "^7.10.4",
+        "@babel/template": "^7.10.4",
+        "@babel/types": "^7.10.4"
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     "@babel/helper-get-function-arity": {
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+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helper-get-function-arity/-/helper-get-function-arity-7.10.4.tgz",
+      "integrity": "sha512-EkN3YDB+SRDgiIUnNgcmiD361ti+AVbL3f3Henf6dqqUyr5dMsorno0lJWJuLhDhkI5sYEpgj6y9kB8AOU1I2A==",
       "dev": true,
       "requires": {
-        "@babel/types": "^7.8.3"
+        "@babel/types": "^7.10.4"
       }
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     "@babel/helper-member-expression-to-functions": {
-      "version": "7.8.3",
-      "resolved": "https://registry.npmjs.org/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.8.3.tgz",
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+      "resolved": "https://registry.npmjs.org/@babel/helper-member-expression-to-functions/-/helper-member-expression-to-functions-7.11.0.tgz",
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       "dev": true,
       "requires": {
-        "@babel/types": "^7.8.3"
+        "@babel/types": "^7.11.0"
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-        "@babel/types": "^7.8.6"
+        "@babel/helper-member-expression-to-functions": "^7.10.4",
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       "dev": true,
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-        "@babel/template": "^7.8.3",
-        "@babel/types": "^7.8.3"
+        "@babel/template": "^7.10.4",
+        "@babel/types": "^7.10.4"
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     "@babel/helper-split-export-declaration": {
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-      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.8.3.tgz",
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+      "version": "7.11.0",
+      "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.11.0.tgz",
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       "dev": true,
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-        "@babel/types": "^7.8.3"
+        "@babel/types": "^7.11.0"
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     "@babel/helper-validator-identifier": {
@@ -157,14 +182,14 @@
       "dev": true
     },
     "@babel/helpers": {
-      "version": "7.9.2",
-      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.9.2.tgz",
-      "integrity": "sha512-JwLvzlXVPjO8eU9c/wF9/zOIN7X6h8DYf7mG4CiFRZRvZNKEF5dQ3H3V+ASkHoIB3mWhatgl5ONhyqHRI6MppA==",
+      "version": "7.10.4",
+      "resolved": "https://registry.npmjs.org/@babel/helpers/-/helpers-7.10.4.tgz",
+      "integrity": "sha512-L2gX/XeUONeEbI78dXSrJzGdz4GQ+ZTA/aazfUsFaWjSe95kiCuOZ5HsXvkiw3iwF+mFHSRUfJU8t6YavocdXA==",
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       "requires": {
-        "@babel/template": "^7.8.3",
-        "@babel/traverse": "^7.9.0",
-        "@babel/types": "^7.9.0"
+        "@babel/template": "^7.10.4",
+        "@babel/traverse": "^7.10.4",
+        "@babel/types": "^7.10.4"
       }
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     "@babel/highlight": {
@@ -179,39 +204,93 @@
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+      "version": "7.11.5",
+      "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.11.5.tgz",
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-      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.8.6.tgz",
-      "integrity": "sha512-zbMsPMy/v0PWFZEhQJ66bqjhH+z0JgMoBWuikXybgG3Gkd/3t5oQ1Rw2WQhnSrsOmsKXnZOx15tkC4qON/+JPg==",
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+      "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.10.4.tgz",
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diff --git a/package.json b/package.json
index 7526221a..84bd76e9 100644
--- a/package.json
+++ b/package.json
@@ -39,19 +39,19 @@
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