diff --git a/package-lock.json b/package-lock.json
index 912e58a..fdbc07d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -64,6 +64,12 @@
           "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.1.tgz",
           "integrity": "sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==",
           "dev": true
+        },
+        "semver": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "dev": true
         }
       }
     },
@@ -444,6 +450,14 @@
             "@babel/types": "^7.0.0",
             "istanbul-lib-coverage": "^2.0.3",
             "semver": "^5.5.0"
+          },
+          "dependencies": {
+            "semver": {
+              "version": "5.7.0",
+              "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+              "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+              "dev": true
+            }
           }
         },
         "slash": {
@@ -569,6 +583,14 @@
             "@babel/types": "^7.0.0",
             "istanbul-lib-coverage": "^2.0.3",
             "semver": "^5.5.0"
+          },
+          "dependencies": {
+            "semver": {
+              "version": "5.7.0",
+              "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+              "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+              "dev": true
+            }
           }
         },
         "load-json-file": {
@@ -899,7 +921,7 @@
     "ansi-styles": {
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
-      "integrity": "sha1-QfuyAkPlCxK+DwS43tvwdSDOhB0=",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
       "dev": true,
       "requires": {
         "color-convert": "^1.9.0"
@@ -908,7 +930,7 @@
     "anymatch": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/anymatch/-/anymatch-2.0.0.tgz",
-      "integrity": "sha1-vLJLTzeTTZqnrBe0ra+J58du8us=",
+      "integrity": "sha512-5teOsQWABXHHBFP9y3skS5P3d/WfWXpv3FUpy+LorMrNYaT9pI4oLMQX7jzQ2KklNpGpWHzdCXTDT2Y3XGlZBw==",
       "dev": true,
       "requires": {
         "micromatch": "^3.1.4",
@@ -927,7 +949,7 @@
     "argparse": {
       "version": "1.0.10",
       "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
-      "integrity": "sha1-vNZ5HqWuCXJeF+WtmIE0zUCz2RE=",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
       "dev": true,
       "requires": {
         "sprintf-js": "~1.0.2"
@@ -997,7 +1019,7 @@
     "astral-regex": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
-      "integrity": "sha1-bIw/uCfdQ+45GPJ7gngqt2WKb9k=",
+      "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
       "dev": true
     },
     "async": {
@@ -1011,7 +1033,7 @@
     "async-limiter": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/async-limiter/-/async-limiter-1.0.0.tgz",
-      "integrity": "sha1-ePrtjD0HSrgfIrTphdeehzj3IPg=",
+      "integrity": "sha512-jp/uFnooOiO+L211eZOoSyzpOITMXx1rBITauYykG3BRYPu8h0UcxsPNB04RR5vo4Tyz3+ay17tR6JVf9qzYWg==",
       "dev": true
     },
     "asynckit": {
@@ -1607,6 +1629,14 @@
         "browserslist": "^3.2.6",
         "invariant": "^2.2.2",
         "semver": "^5.3.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "dev": true
+        }
       }
     },
     "babel-preset-jest": {
@@ -2150,6 +2180,14 @@
         "semver": "^5.5.0",
         "shebang-command": "^1.2.0",
         "which": "^1.2.9"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "dev": true
+        }
       }
     },
     "cssom": {
@@ -2346,7 +2384,7 @@
     "domexception": {
       "version": "1.0.1",
       "resolved": "https://registry.npmjs.org/domexception/-/domexception-1.0.1.tgz",
-      "integrity": "sha1-k3RCZEymoxJh7zbj7Gd/6AVYLJA=",
+      "integrity": "sha512-raigMkn7CJNNo6Ihro1fzG7wr3fHuYVytzquZKX5n0yizGsTcYgzdIUwj1X9pK0VvjeihV+XiclP+DjwbsSKug==",
       "dev": true,
       "requires": {
         "webidl-conversions": "^4.0.2"
@@ -2444,7 +2482,7 @@
         "source-map": {
           "version": "0.6.1",
           "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
-          "integrity": "sha1-dHIq8y6WFOnCh6jQu95IteLxomM=",
+          "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
           "dev": true,
           "optional": true
         }
@@ -2778,7 +2816,7 @@
     "function-bind": {
       "version": "1.1.1",
       "resolved": "https://registry.npmjs.org/function-bind/-/function-bind-1.1.1.tgz",
-      "integrity": "sha1-pWiZ0+o8m6uHS7l3O3xe3pL0iV0=",
+      "integrity": "sha512-yIovAzMX49sF8Yl58fSCWJ5svSLuaibPxXQJFLmBObTuCr0Mf1KiPopGM9NiFjiYBCbfaa2Fh6breQ6ANVTI0A==",
       "dev": true
     },
     "get-caller-file": {
@@ -2849,12 +2887,12 @@
       "dev": true
     },
     "handlebars": {
-      "version": "4.1.0",
-      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.0.tgz",
-      "integrity": "sha512-l2jRuU1NAWK6AW5qqcTATWQJvNPEwkM7NEKSiv/gqOsoSQbVoWyqVEY5GS+XPQ88zLNmqASRpzfdm8d79hJS+w==",
+      "version": "4.1.2",
+      "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.2.tgz",
+      "integrity": "sha512-nvfrjqvt9xQ8Z/w0ijewdD/vvWDTOweBUm96NTr66Wfvo1mJenBLwcYmPs3TIBP5ruzYGD7Hx/DaM9RmhroGPw==",
       "dev": true,
       "requires": {
-        "async": "^2.5.0",
+        "neo-async": "^2.6.0",
         "optimist": "^0.6.1",
         "source-map": "^0.6.1",
         "uglify-js": "^3.1.4"
@@ -3002,7 +3040,7 @@
     "html-encoding-sniffer": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/html-encoding-sniffer/-/html-encoding-sniffer-1.0.2.tgz",
-      "integrity": "sha1-5w2EuU2lOqN14R/jo1G+ZkLKRvg=",
+      "integrity": "sha512-71lZziiDnsuabfdYiUeWdCVyKuqwWi23L8YeIgV9jSSZHCtb6wB1BKWooH7L3tn4/FuZJMVWyNaIDr4RGmaSYw==",
       "dev": true,
       "requires": {
         "whatwg-encoding": "^1.0.1"
@@ -3283,26 +3321,93 @@
       "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
     },
     "istanbul-api": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/istanbul-api/-/istanbul-api-2.1.1.tgz",
-      "integrity": "sha512-kVmYrehiwyeBAk/wE71tW6emzLiHGjYIiDrc8sfyty4F8M02/lrgXSm+R1kXysmF20zArvmZXjlE/mg24TVPJw==",
+      "version": "2.1.7",
+      "resolved": "https://registry.npmjs.org/istanbul-api/-/istanbul-api-2.1.7.tgz",
+      "integrity": "sha512-LYTOa2UrYFyJ/aSczZi/6lBykVMjCCvUmT64gOe+jPZFy4w6FYfPGqFT2IiQ2BxVHHDOvCD7qrIXb0EOh4uGWw==",
       "dev": true,
       "requires": {
-        "async": "^2.6.1",
-        "compare-versions": "^3.2.1",
+        "async": "^2.6.2",
+        "compare-versions": "^3.4.0",
         "fileset": "^2.0.3",
-        "istanbul-lib-coverage": "^2.0.3",
-        "istanbul-lib-hook": "^2.0.3",
-        "istanbul-lib-instrument": "^3.1.0",
-        "istanbul-lib-report": "^2.0.4",
-        "istanbul-lib-source-maps": "^3.0.2",
-        "istanbul-reports": "^2.1.1",
-        "js-yaml": "^3.12.0",
-        "make-dir": "^1.3.0",
+        "istanbul-lib-coverage": "^2.0.5",
+        "istanbul-lib-hook": "^2.0.7",
+        "istanbul-lib-instrument": "^3.3.0",
+        "istanbul-lib-report": "^2.0.8",
+        "istanbul-lib-source-maps": "^3.0.6",
+        "istanbul-reports": "^2.2.5",
+        "js-yaml": "^3.13.1",
+        "make-dir": "^2.1.0",
         "minimatch": "^3.0.4",
         "once": "^1.4.0"
       },
       "dependencies": {
+        "@babel/generator": {
+          "version": "7.4.4",
+          "resolved": "https://registry.npmjs.org/@babel/generator/-/generator-7.4.4.tgz",
+          "integrity": "sha512-53UOLK6TVNqKxf7RUh8NE851EHRxOOeVXKbK2bivdb+iziMyk03Sr4eaE9OELCbyZAAafAKPDwF2TPUES5QbxQ==",
+          "dev": true,
+          "requires": {
+            "@babel/types": "^7.4.4",
+            "jsesc": "^2.5.1",
+            "lodash": "^4.17.11",
+            "source-map": "^0.5.0",
+            "trim-right": "^1.0.1"
+          }
+        },
+        "@babel/helper-split-export-declaration": {
+          "version": "7.4.4",
+          "resolved": "https://registry.npmjs.org/@babel/helper-split-export-declaration/-/helper-split-export-declaration-7.4.4.tgz",
+          "integrity": "sha512-Ro/XkzLf3JFITkW6b+hNxzZ1n5OQ80NvIUdmHspih1XAhtN3vPTuUFT4eQnela+2MaZ5ulH+iyP513KJrxbN7Q==",
+          "dev": true,
+          "requires": {
+            "@babel/types": "^7.4.4"
+          }
+        },
+        "@babel/parser": {
+          "version": "7.4.4",
+          "resolved": "https://registry.npmjs.org/@babel/parser/-/parser-7.4.4.tgz",
+          "integrity": "sha512-5pCS4mOsL+ANsFZGdvNLybx4wtqAZJ0MJjMHxvzI3bvIsz6sQvzW8XX92EYIkiPtIvcfG3Aj+Ir5VNyjnZhP7w==",
+          "dev": true
+        },
+        "@babel/template": {
+          "version": "7.4.4",
+          "resolved": "https://registry.npmjs.org/@babel/template/-/template-7.4.4.tgz",
+          "integrity": "sha512-CiGzLN9KgAvgZsnivND7rkA+AeJ9JB0ciPOD4U59GKbQP2iQl+olF1l76kJOupqidozfZ32ghwBEJDhnk9MEcw==",
+          "dev": true,
+          "requires": {
+            "@babel/code-frame": "^7.0.0",
+            "@babel/parser": "^7.4.4",
+            "@babel/types": "^7.4.4"
+          }
+        },
+        "@babel/traverse": {
+          "version": "7.4.4",
+          "resolved": "https://registry.npmjs.org/@babel/traverse/-/traverse-7.4.4.tgz",
+          "integrity": "sha512-Gw6qqkw/e6AGzlyj9KnkabJX7VcubqPtkUQVAwkc0wUMldr3A/hezNB3Rc5eIvId95iSGkGIOe5hh1kMKf951A==",
+          "dev": true,
+          "requires": {
+            "@babel/code-frame": "^7.0.0",
+            "@babel/generator": "^7.4.4",
+            "@babel/helper-function-name": "^7.1.0",
+            "@babel/helper-split-export-declaration": "^7.4.4",
+            "@babel/parser": "^7.4.4",
+            "@babel/types": "^7.4.4",
+            "debug": "^4.1.0",
+            "globals": "^11.1.0",
+            "lodash": "^4.17.11"
+          }
+        },
+        "@babel/types": {
+          "version": "7.4.4",
+          "resolved": "https://registry.npmjs.org/@babel/types/-/types-7.4.4.tgz",
+          "integrity": "sha512-dOllgYdnEFOebhkKCjzSVFqw/PmmB8pH6RGOWkY4GsboQNd47b1fBThBSwlHAq9alF9vc1M3+6oqR47R50L0tQ==",
+          "dev": true,
+          "requires": {
+            "esutils": "^2.0.2",
+            "lodash": "^4.17.11",
+            "to-fast-properties": "^2.0.0"
+          }
+        },
         "async": {
           "version": "2.6.2",
           "resolved": "https://registry.npmjs.org/async/-/async-2.6.2.tgz",
@@ -3312,20 +3417,104 @@
             "lodash": "^4.17.11"
           }
         },
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "globals": {
+          "version": "11.12.0",
+          "resolved": "https://registry.npmjs.org/globals/-/globals-11.12.0.tgz",
+          "integrity": "sha512-WOBp/EEGUiIsJSp7wcv/y6MO+lV9UoncWqxuFfm8eBwzWNgyfBd6Gz+IeKQ9jCmyhoH99g15M3T+QaVHFjizVA==",
+          "dev": true
+        },
+        "istanbul-lib-coverage": {
+          "version": "2.0.5",
+          "resolved": "https://registry.npmjs.org/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.5.tgz",
+          "integrity": "sha512-8aXznuEPCJvGnMSRft4udDRDtb1V3pkQkMMI5LI+6HuQz5oQ4J2UFn1H82raA3qJtyOLkkwVqICBQkjnGtn5mA==",
+          "dev": true
+        },
         "istanbul-lib-instrument": {
-          "version": "3.1.0",
-          "resolved": "https://registry.npmjs.org/istanbul-lib-instrument/-/istanbul-lib-instrument-3.1.0.tgz",
-          "integrity": "sha512-ooVllVGT38HIk8MxDj/OIHXSYvH+1tq/Vb38s8ixt9GoJadXska4WkGY+0wkmtYCZNYtaARniH/DixUGGLZ0uA==",
+          "version": "3.3.0",
+          "resolved": "https://registry.npmjs.org/istanbul-lib-instrument/-/istanbul-lib-instrument-3.3.0.tgz",
+          "integrity": "sha512-5nnIN4vo5xQZHdXno/YDXJ0G+I3dAm4XgzfSVTPLQpj/zAV2dV6Juy0yaf10/zrJOJeHoN3fraFe+XRq2bFVZA==",
           "dev": true,
           "requires": {
-            "@babel/generator": "^7.0.0",
-            "@babel/parser": "^7.0.0",
-            "@babel/template": "^7.0.0",
-            "@babel/traverse": "^7.0.0",
-            "@babel/types": "^7.0.0",
-            "istanbul-lib-coverage": "^2.0.3",
-            "semver": "^5.5.0"
+            "@babel/generator": "^7.4.0",
+            "@babel/parser": "^7.4.3",
+            "@babel/template": "^7.4.0",
+            "@babel/traverse": "^7.4.3",
+            "@babel/types": "^7.4.0",
+            "istanbul-lib-coverage": "^2.0.5",
+            "semver": "^6.0.0"
+          }
+        },
+        "istanbul-lib-source-maps": {
+          "version": "3.0.6",
+          "resolved": "https://registry.npmjs.org/istanbul-lib-source-maps/-/istanbul-lib-source-maps-3.0.6.tgz",
+          "integrity": "sha512-R47KzMtDJH6X4/YW9XTx+jrLnZnscW4VpNN+1PViSYTejLVPWv7oov+Duf8YQSPyVRUvueQqz1TcsC6mooZTXw==",
+          "dev": true,
+          "requires": {
+            "debug": "^4.1.1",
+            "istanbul-lib-coverage": "^2.0.5",
+            "make-dir": "^2.1.0",
+            "rimraf": "^2.6.3",
+            "source-map": "^0.6.1"
+          },
+          "dependencies": {
+            "source-map": {
+              "version": "0.6.1",
+              "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+              "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+              "dev": true
+            }
+          }
+        },
+        "jsesc": {
+          "version": "2.5.2",
+          "resolved": "https://registry.npmjs.org/jsesc/-/jsesc-2.5.2.tgz",
+          "integrity": "sha512-OYu7XEzjkCQ3C5Ps3QIZsQfNpqoJyZZA99wd9aWd05NCtC5pWOkShK2mkL6HXQR6/Cy2lbNdPlZBpuQHXE63gA==",
+          "dev": true
+        },
+        "make-dir": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-2.1.0.tgz",
+          "integrity": "sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==",
+          "dev": true,
+          "requires": {
+            "pify": "^4.0.1",
+            "semver": "^5.6.0"
+          },
+          "dependencies": {
+            "semver": {
+              "version": "5.7.0",
+              "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+              "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+              "dev": true
+            }
           }
+        },
+        "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==",
+          "dev": true
+        },
+        "pify": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "dev": true
+        },
+        "to-fast-properties": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/to-fast-properties/-/to-fast-properties-2.0.0.tgz",
+          "integrity": "sha1-3F5pjL0HkmW8c+A3doGk5Og/YW4=",
+          "dev": true
         }
       }
     },
@@ -3336,9 +3525,9 @@
       "dev": true
     },
     "istanbul-lib-hook": {
-      "version": "2.0.3",
-      "resolved": "https://registry.npmjs.org/istanbul-lib-hook/-/istanbul-lib-hook-2.0.3.tgz",
-      "integrity": "sha512-CLmEqwEhuCYtGcpNVJjLV1DQyVnIqavMLFHV/DP+np/g3qvdxu3gsPqYoJMXm15sN84xOlckFB3VNvRbf5yEgA==",
+      "version": "2.0.7",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-hook/-/istanbul-lib-hook-2.0.7.tgz",
+      "integrity": "sha512-vrRztU9VRRFDyC+aklfLoeXyNdTfga2EI3udDGn4cZ6fpSXpHLV9X6CHvfoMCPtggg8zvDDmC4b9xfu0z6/llA==",
       "dev": true,
       "requires": {
         "append-transform": "^1.0.0"
@@ -3364,20 +3553,54 @@
           "resolved": "https://registry.npmjs.org/istanbul-lib-coverage/-/istanbul-lib-coverage-1.2.1.tgz",
           "integrity": "sha512-PzITeunAgyGbtY1ibVIUiV679EFChHjoMNRibEIobvmrCRaIgwLxNucOSimtNWUhEib/oO7QY2imD75JVgCJWQ==",
           "dev": true
+        },
+        "semver": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "dev": true
         }
       }
     },
     "istanbul-lib-report": {
-      "version": "2.0.4",
-      "resolved": "https://registry.npmjs.org/istanbul-lib-report/-/istanbul-lib-report-2.0.4.tgz",
-      "integrity": "sha512-sOiLZLAWpA0+3b5w5/dq0cjm2rrNdAfHWaGhmn7XEFW6X++IV9Ohn+pnELAl9K3rfpaeBfbmH9JU5sejacdLeA==",
+      "version": "2.0.8",
+      "resolved": "https://registry.npmjs.org/istanbul-lib-report/-/istanbul-lib-report-2.0.8.tgz",
+      "integrity": "sha512-fHBeG573EIihhAblwgxrSenp0Dby6tJMFR/HvlerBsrCTD5bkUuoNtn3gVh29ZCS824cGGBPn7Sg7cNk+2xUsQ==",
       "dev": true,
       "requires": {
-        "istanbul-lib-coverage": "^2.0.3",
-        "make-dir": "^1.3.0",
-        "supports-color": "^6.0.0"
+        "istanbul-lib-coverage": "^2.0.5",
+        "make-dir": "^2.1.0",
+        "supports-color": "^6.1.0"
       },
       "dependencies": {
+        "istanbul-lib-coverage": {
+          "version": "2.0.5",
+          "resolved": "https://registry.npmjs.org/istanbul-lib-coverage/-/istanbul-lib-coverage-2.0.5.tgz",
+          "integrity": "sha512-8aXznuEPCJvGnMSRft4udDRDtb1V3pkQkMMI5LI+6HuQz5oQ4J2UFn1H82raA3qJtyOLkkwVqICBQkjnGtn5mA==",
+          "dev": true
+        },
+        "make-dir": {
+          "version": "2.1.0",
+          "resolved": "https://registry.npmjs.org/make-dir/-/make-dir-2.1.0.tgz",
+          "integrity": "sha512-LS9X+dc8KLxXCb8dni79fLIIUA5VyZoyjSMCwTluaXA0o27cCK0bhXkpgw+sTXVpPy/lSO57ilRixqk0vDmtRA==",
+          "dev": true,
+          "requires": {
+            "pify": "^4.0.1",
+            "semver": "^5.6.0"
+          }
+        },
+        "pify": {
+          "version": "4.0.1",
+          "resolved": "https://registry.npmjs.org/pify/-/pify-4.0.1.tgz",
+          "integrity": "sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==",
+          "dev": true
+        },
+        "semver": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "dev": true
+        },
         "supports-color": {
           "version": "6.1.0",
           "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-6.1.0.tgz",
@@ -3426,12 +3649,12 @@
       }
     },
     "istanbul-reports": {
-      "version": "2.1.1",
-      "resolved": "https://registry.npmjs.org/istanbul-reports/-/istanbul-reports-2.1.1.tgz",
-      "integrity": "sha512-FzNahnidyEPBCI0HcufJoSEoKykesRlFcSzQqjH9x0+LC8tnnE/p/90PBLu8iZTxr8yYZNyTtiAujUqyN+CIxw==",
+      "version": "2.2.5",
+      "resolved": "https://registry.npmjs.org/istanbul-reports/-/istanbul-reports-2.2.5.tgz",
+      "integrity": "sha512-ilCSjE6f7elNIRxnSnIhnOpXdf3ryUT7Zkl+TaADItM638SWXjfNW40cujZCIjex4g4DTkzIy9kzwkaLruB50Q==",
       "dev": true,
       "requires": {
-        "handlebars": "^4.1.0"
+        "handlebars": "^4.1.2"
       }
     },
     "jest": {
@@ -3591,6 +3814,14 @@
             "@babel/types": "^7.0.0",
             "istanbul-lib-coverage": "^2.0.3",
             "semver": "^5.5.0"
+          },
+          "dependencies": {
+            "semver": {
+              "version": "5.7.0",
+              "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+              "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+              "dev": true
+            }
           }
         },
         "load-json-file": {
@@ -4136,6 +4367,12 @@
             "escape-string-regexp": "^1.0.5",
             "supports-color": "^5.3.0"
           }
+        },
+        "semver": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "dev": true
         }
       }
     },
@@ -4276,9 +4513,9 @@
       "dev": true
     },
     "js-yaml": {
-      "version": "3.12.2",
-      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.12.2.tgz",
-      "integrity": "sha512-QHn/Lh/7HhZ/Twc7vJYQTkjuCa0kaCcDcjK5Zlk2rvnUpy7DxMJ23+Jc2dcyvltwQVg1nygAVlB2oRDFHoRS5Q==",
+      "version": "3.13.1",
+      "resolved": "https://registry.npmjs.org/js-yaml/-/js-yaml-3.13.1.tgz",
+      "integrity": "sha512-YfbcO7jXDdyj0DGxYVSlSeQNHbD7XPWvrVWeVUujrQEoZzWJIRrCPoyk6kL6IAjAG2IolMK4T0hNUe0HOUs5Jw==",
       "dev": true,
       "requires": {
         "argparse": "^1.0.7",
@@ -4740,6 +4977,12 @@
       "integrity": "sha1-Sr6/7tdUHywnrPspvbvRXI1bpPc=",
       "dev": true
     },
+    "neo-async": {
+      "version": "2.6.0",
+      "resolved": "https://registry.npmjs.org/neo-async/-/neo-async-2.6.0.tgz",
+      "integrity": "sha512-MFh0d/Wa7vkKO3Y3LlacqAEeHK0mckVqzDieUKTT+KGxi+zIpeVsFxymkIiRpbpDziHc290Xr9A1O4Om7otoRA==",
+      "dev": true
+    },
     "nice-try": {
       "version": "1.0.5",
       "resolved": "https://registry.npmjs.org/nice-try/-/nice-try-1.0.5.tgz",
@@ -4777,6 +5020,12 @@
           "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.11.tgz",
           "integrity": "sha512-cQKh8igo5QUhZ7lg38DYWAxMvjSAKG0A8wGSVimP07SIUEK2UO+arSRKbRZWtelMtN5V0Hkwh5ryOto/SshYIg==",
           "dev": true
+        },
+        "semver": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "dev": true
         }
       }
     },
@@ -4818,6 +5067,14 @@
         "semver": "^5.5.0",
         "shellwords": "^0.1.1",
         "which": "^1.3.0"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "dev": true
+        }
       }
     },
     "node-sha1": {
@@ -4835,6 +5092,14 @@
         "is-builtin-module": "^1.0.0",
         "semver": "2 || 3 || 4 || 5",
         "validate-npm-package-license": "^3.0.1"
+      },
+      "dependencies": {
+        "semver": {
+          "version": "5.7.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-5.7.0.tgz",
+          "integrity": "sha512-Ya52jSX2u7QKghxeoFGpLwCtGlt7j0oY9DYb5apt9nPlJ42ID+ulTXESnt/qAQcoSERyZ5sl3LDIOw0nAn/5DA==",
+          "dev": true
+        }
       }
     },
     "normalize-path": {
@@ -5083,7 +5348,7 @@
     "parse5": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/parse5/-/parse5-4.0.0.tgz",
-      "integrity": "sha1-bXhlbj2o14tOwLkG98CO8d/j9gg=",
+      "integrity": "sha512-VrZ7eOd3T1Fk4XWNXMgiGBK/z0MG48BWG2uQNU4I72fkQuKUTZpl+u9k+CxEG0twMVzSmXEEz12z5Fnw1jIQFA==",
       "dev": true
     },
     "pascalcase": {
@@ -5225,7 +5490,7 @@
     "pn": {
       "version": "1.1.0",
       "resolved": "https://registry.npmjs.org/pn/-/pn-1.1.0.tgz",
-      "integrity": "sha1-4vTO8OIZ9GPBeas3Rj5OHs3Muvs=",
+      "integrity": "sha512-2qHaIQr2VLRFoxe2nASzsV6ef4yOOH+Fi9FBOVH6cqeSgUnoyySPZkxzLuzd+RYOQTRpROA0ztTMqxROKSb/nA==",
       "dev": true
     },
     "posix-character-classes": {
@@ -5269,7 +5534,7 @@
     "process-nextick-args": {
       "version": "2.0.0",
       "resolved": "https://registry.npmjs.org/process-nextick-args/-/process-nextick-args-2.0.0.tgz",
-      "integrity": "sha1-o31zL0JxtKsa0HDTVQjoKQeI/6o=",
+      "integrity": "sha512-MtEC1TqN0EU5nephaJ4rAtThHtC86dNN9qCuEhtshvpVBkAW5ZO7BASN9REnF9eoXGcRub+pFuKEpOHE+HbEMw==",
       "dev": true
     },
     "progress": {
@@ -5688,7 +5953,7 @@
     "sax": {
       "version": "1.2.4",
       "resolved": "https://registry.npmjs.org/sax/-/sax-1.2.4.tgz",
-      "integrity": "sha1-KBYjTiN4vdxOU1T6tcqold9xANk=",
+      "integrity": "sha512-NqVDv9TpANUjFm0N8uM5GxL36UgKi9/atZw+x7YFnQ8ckwFGKrl4xX4yWtrey3UJm5nP1kUbnYgLopqWNSRhWw==",
       "dev": true
     },
     "selfsigned": {
@@ -5701,9 +5966,9 @@
       }
     },
     "semver": {
-      "version": "5.5.0",
-      "resolved": "https://registry.npmjs.org/semver/-/semver-5.5.0.tgz",
-      "integrity": "sha1-3Eu8emyp2Rbe5dQ1FvAJK1j3uKs="
+      "version": "6.0.0",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-6.0.0.tgz",
+      "integrity": "sha512-0UewU+9rFapKFnlbirLi3byoOuhrSsli/z/ihNnvM24vgF+8sNBiI1LZPBSH9wJKUwaUbw+s3hToDLCXkrghrQ=="
     },
     "set-blocking": {
       "version": "2.0.0",
@@ -5763,7 +6028,7 @@
     "shellwords": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/shellwords/-/shellwords-0.1.1.tgz",
-      "integrity": "sha1-1rkYHBpI05cyTISHHvvPxz/AZUs=",
+      "integrity": "sha512-vFwSUfQvqybiICwZY5+DAWIPLKsWO31Q91JSKl3UYv+K5c2QRPzn0qzec6QPu1Qc9eHYItiP3NdJqNVqetYAww==",
       "dev": true
     },
     "signal-exit": {
@@ -6049,7 +6314,7 @@
     "string-width": {
       "version": "2.1.1",
       "resolved": "https://registry.npmjs.org/string-width/-/string-width-2.1.1.tgz",
-      "integrity": "sha1-q5Pyeo3BPSjKyBXEYhQ6bZASrp4=",
+      "integrity": "sha512-nOqH59deCq9SRHlxq1Aw85Jnt4w6KvLKqWVik6oA9ZklXLNIOlqg4F2yrT1MVaTjAqvVwdfeZ7w7aCvJD7ugkw==",
       "dev": true,
       "requires": {
         "is-fullwidth-code-point": "^2.0.0",
@@ -6558,12 +6823,12 @@
       },
       "dependencies": {
         "handlebars": {
-          "version": "4.1.0",
-          "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.0.tgz",
-          "integrity": "sha512-l2jRuU1NAWK6AW5qqcTATWQJvNPEwkM7NEKSiv/gqOsoSQbVoWyqVEY5GS+XPQ88zLNmqASRpzfdm8d79hJS+w==",
+          "version": "4.1.2",
+          "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.1.2.tgz",
+          "integrity": "sha512-nvfrjqvt9xQ8Z/w0ijewdD/vvWDTOweBUm96NTr66Wfvo1mJenBLwcYmPs3TIBP5ruzYGD7Hx/DaM9RmhroGPw==",
           "dev": true,
           "requires": {
-            "async": "^2.5.0",
+            "neo-async": "^2.6.0",
             "optimist": "^0.6.1",
             "source-map": "^0.6.1",
             "uglify-js": "^3.1.4"
@@ -6729,7 +6994,7 @@
     "util.promisify": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/util.promisify/-/util.promisify-1.0.0.tgz",
-      "integrity": "sha1-RA9xZaRZyaFtwUXrjnLzVocJcDA=",
+      "integrity": "sha512-i+6qA2MPhvoKLuxnJNpXAGhg7HphQOSUq2LKMZD0m15EiskXUkMvKdF4Uui0WYeCUGea+o2cw/ZuwehtfsrNkA==",
       "dev": true,
       "requires": {
         "define-properties": "^1.1.2",
@@ -6782,7 +7047,7 @@
     "webidl-conversions": {
       "version": "4.0.2",
       "resolved": "https://registry.npmjs.org/webidl-conversions/-/webidl-conversions-4.0.2.tgz",
-      "integrity": "sha1-qFWYCx8LazWbodXZ+zmulB+qY60=",
+      "integrity": "sha512-YQ+BmxuTgd6UXZW3+ICGfyqRyHXVlD5GtQr5+qjiNW7bF0cqrzX500HVXPBOvgXb5YnzDd+h0zqyv61KUD7+Sg==",
       "dev": true
     },
     "whatwg-encoding": {
@@ -6928,7 +7193,7 @@
     "xml-name-validator": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/xml-name-validator/-/xml-name-validator-3.0.0.tgz",
-      "integrity": "sha1-auc+Bt5NjG5H+fsYH3jWSK1FfGo=",
+      "integrity": "sha512-A5CUptxDsvxKJEU3yO6DuWBSJz/qizqzJKOMIfUJHETbBw/sFaDxgd6fxm1ewUaM0jZ444Fc5vC5ROYurg/4Pw==",
       "dev": true
     },
     "y18n": {
diff --git a/package.json b/package.json
index b3200e4..cab66b3 100644
--- a/package.json
+++ b/package.json
@@ -32,7 +32,7 @@
     "redis": "^2.6.0-2",
     "request": "2.87.0",
     "request-etag": "^2.0.3",
-    "semver": "5.5.0",
+    "semver": "6.0.0",
     "tunnel": "0.0.6",
     "winston": "2.4.1",
     "yaml": "1.0.1"