diff --git a/package-lock.json b/package-lock.json
index 6668fae..9b9e2e5 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -531,7 +531,7 @@
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-      "integrity": "sha1-HjRA6RXwsSA9I3SOeO3XubW0PlY="
+      "integrity": "sha512-klpgFSWLW1ZEs8svjfb7g4qWY0YS5imI82dTg+QahUvJ8YqAY0P10Uk8tTyh9ZGuYEZEMaeJYCF5BFuX552hsw=="
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@@ -813,14 +813,14 @@
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-      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.1.tgz",
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+      "resolved": "https://registry.npmjs.org/buffer-from/-/buffer-from-1.1.2.tgz",
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       "resolved": "https://registry.npmjs.org/busboy/-/busboy-0.2.14.tgz",
-      "integrity": "sha1-bCpiLvz0fFe7vh4qnDetNseSVFM=",
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@@ -1102,12 +1102,12 @@
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-          "integrity": "sha1-u5NdSFgsuhaMBoNJV6VKPgcSTxE="
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-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.7.tgz",
-          "integrity": "sha512-Ebho8K4jIbHAxnuxi7o42OrZgF/ZTNcsZj6nRKyUmkhLFq8CHItp/fy6hQZuZmP/n3yZ9VBUbp4zz/mX8hmYPw==",
+          "version": "2.3.8",
+          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.8.tgz",
+          "integrity": "sha512-8p0AUk4XODgIewSi0l8Epjs+EVnWiK7NoDIEGU0HhE7+ZyY8D1IMY7odu5lRrFXGg71L15KG8QrPmum45RTtdA==",
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@@ -1330,7 +1330,7 @@
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       "resolved": "https://registry.npmjs.org/dicer/-/dicer-0.2.5.tgz",
-      "integrity": "sha1-WZbAhrszIYyBLAkL3cCc0S+stw8=",
+      "integrity": "sha512-FDvbtnq7dzlPz0wyYlOExifDEZcu8h+rErEXgfxqmLfRfC/kJidEFh4+effJRO3P0xmfqyPbSMG0LveNRfTKVg==",
       "requires": {
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@@ -2147,7 +2147,7 @@
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       "resolved": "https://registry.npmjs.org/isarray/-/isarray-0.0.1.tgz",
-      "integrity": "sha1-ihis/Kmo9Bd+Cav8YDiTmwXR7t8="
+      "integrity": "sha512-D2S+3GLxWH+uhrNEcoh/fnmYeP8E8/zHl644d/jdA0g2uyXvy3sb0qxotE+ne0LtccHknQzWwZEzhak7oJ0COQ=="
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@@ -2589,14 +2589,22 @@
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       "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.5.tgz",
-      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
+      "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw==",
+      "dev": true
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     "mkdirp": {
-      "version": "0.5.5",
-      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.5.tgz",
-      "integrity": "sha512-NKmAlESf6jMGym1++R0Ra7wvhV+wFW63FaSOFPwRahvea0gMUcGUhVeAg/0BC0wiv9ih5NYPB1Wn1UEI1/L+xQ==",
+      "version": "0.5.6",
+      "resolved": "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.6.tgz",
+      "integrity": "sha512-FP+p8RB8OWpF3YZBCrP5gtADmtXApB5AMLn+vdyA+PyxCjrCs00mjyUozssO33cwDeT3wNGdLxJ5M//YqtHAJw==",
       "requires": {
-        "minimist": "^1.2.5"
+        "minimist": "^1.2.6"
+      },
+      "dependencies": {
+        "minimist": {
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+          "resolved": "https://registry.npmjs.org/minimist/-/minimist-1.2.8.tgz",
+          "integrity": "sha512-2yyAR8qBkN3YuheJanUpWC5U3bb5osDywNB8RzDVlDwDHbocAJveqqj1u8+SVD7jkWT4yvsHCpWqqWqAxb0zCA=="
+        }
       }
     },
     "mocha": {
@@ -2792,14 +2800,14 @@
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-      "resolved": "https://registry.npmjs.org/multer/-/multer-1.4.2.tgz",
-      "integrity": "sha512-xY8pX7V+ybyUpbYMxtjM9KAiD9ixtg5/JkeKUTD6xilfDv0vzzOFcCp4Ljb1UU3tSOM3VTZtKo63OmzOrGi3Cg==",
+      "version": "1.4.4",
+      "resolved": "https://registry.npmjs.org/multer/-/multer-1.4.4.tgz",
+      "integrity": "sha512-2wY2+xD4udX612aMqMcB8Ws2Voq6NIUPEtD1be6m411T4uDH/VtL9i//xvcyFlTVfRdaBsk7hV5tgrGQqhuBiw==",
       "requires": {
         "append-field": "^1.0.0",
         "busboy": "^0.2.11",
         "concat-stream": "^1.5.2",
-        "mkdirp": "^0.5.1",
+        "mkdirp": "^0.5.4",
         "object-assign": "^4.1.1",
         "on-finished": "^2.3.0",
         "type-is": "^1.6.4",
@@ -3082,7 +3090,7 @@
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       "resolved": "https://registry.npmjs.org/object-assign/-/object-assign-4.1.1.tgz",
-      "integrity": "sha1-IQmtx5ZYh8/AXLvUQsrIv7s2CGM="
+      "integrity": "sha512-rJgTQnkUnH1sFw8yT6VSU3zD3sWmu6sZhIseY8VX+GRu3P6F7Fu+JNDoXfklElbLJSnc3FUQHVe4cU5hj+BcUg=="
     },
     "object-inspect": {
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@@ -3471,7 +3479,7 @@
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       "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
-      "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
+      "integrity": "sha512-+MeVjFf4L44XUkhM1eYbD8fyEsxcV81pqMSR5gblfcLCHfZvbrqy4/qYHE+/R5HoBUT11WV5O08Cr1n3YXkWVQ==",
       "requires": {
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@@ -3769,7 +3777,7 @@
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       "resolved": "https://registry.npmjs.org/streamsearch/-/streamsearch-0.1.2.tgz",
-      "integrity": "sha1-gIudDlb8Jz2Am6VzOOkpkZoanxo="
+      "integrity": "sha512-jos8u++JKm0ARcSUTAZXOVC0mSox7Bhn6sBgty73P1f3JGf7yG2clTbBNHUdde/kdvP2FESam+vM6l8jBrNxHA=="
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@@ -3832,7 +3840,7 @@
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       "resolved": "https://registry.npmjs.org/string_decoder/-/string_decoder-0.10.31.tgz",
-      "integrity": "sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ="
+      "integrity": "sha512-ev2QzSzWPYmy9GuqfIVildA4OdcGLeFZQrq5ys6RtiuF+RQQiZWr8TZNyAcuVXyQRYfEO+MsoB/1BuQVhOJuoQ=="
     },
     "strip-ansi": {
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@@ -4045,7 +4053,7 @@
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       "resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
-      "integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
+      "integrity": "sha512-/aCDEGatGvZ2BIk+HmLf4ifCJFwvKFNb9/JeZPMulfgFracn9QFcAf5GO8B/mweUjSoblS5In0cWhqpfs/5PQA=="
     },
     "typedarray-to-buffer": {
       "version": "3.1.5",