diff --git a/package-lock.json b/package-lock.json
index 9f0472a..e5c2b96 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -454,7 +454,7 @@
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-                    "resolved": "http://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
+                    "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
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@@ -493,7 +493,7 @@
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-                    "resolved": "http://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
+                    "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
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@@ -734,7 +734,7 @@
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             "version": "1.6.3",
-            "resolved": "http://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
+            "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.6.3.tgz",
             "integrity": "sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=",
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                 "depd": "~1.1.2",
@@ -845,7 +845,7 @@
         },
         "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="
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         "mkdirp": {
@@ -1070,7 +1070,7 @@
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         "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",
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@@ -1172,7 +1172,7 @@
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-                    "resolved": "http://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
+                    "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
                     "integrity": "sha1-QMRT5n5uE8kB3ewxeviYbNqe/4w=",
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                         "ms": "0.7.2"
@@ -1196,7 +1196,7 @@
             "dependencies": {
                 "debug": {
                     "version": "2.3.3",
-                    "resolved": "http://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
+                    "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
                     "integrity": "sha1-QMRT5n5uE8kB3ewxeviYbNqe/4w=",
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                         "ms": "0.7.2"
@@ -1234,7 +1234,7 @@
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-                    "resolved": "http://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
+                    "resolved": "https://registry.npmjs.org/debug/-/debug-2.3.3.tgz",
                     "integrity": "sha1-QMRT5n5uE8kB3ewxeviYbNqe/4w=",
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                         "ms": "0.7.2"
@@ -1260,7 +1260,7 @@
             "dependencies": {
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-                    "resolved": "http://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
+                    "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
                     "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
                     "requires": {
                         "ms": "0.7.1"
@@ -1293,7 +1293,7 @@
             "dependencies": {
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                     "version": "2.2.0",
-                    "resolved": "http://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
+                    "resolved": "https://registry.npmjs.org/debug/-/debug-2.2.0.tgz",
                     "integrity": "sha1-+HBX6ZWxofauaklgZkE3vFbwOdo=",
                     "requires": {
                         "ms": "0.7.1"
@@ -1346,7 +1346,7 @@
                     "dependencies": {
                         "debug": {
                             "version": "0.7.4",
-                            "resolved": "http://registry.npmjs.org/debug/-/debug-0.7.4.tgz",
+                            "resolved": "https://registry.npmjs.org/debug/-/debug-0.7.4.tgz",
                             "integrity": "sha1-BuHqgILCyxTjmAbiLi9vdX+Srzk="
                         }
                     }
@@ -1452,9 +1452,9 @@
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         },
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-            "version": "1.9.1",
-            "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.9.1.tgz",
-            "integrity": "sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg=="
+            "version": "1.13.1",
+            "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.13.1.tgz",
+            "integrity": "sha512-hzSoAVtJF+3ZtiFX0VgfFPHEDRm7Y/QPjGyNo4TVdnDTdft3tr8hEkD25a1jC+TjTuE7tkHGKkhwCgs9dgBB2g=="
         },
         "unpipe": {
             "version": "1.0.0",