diff --git a/package-lock.json b/package-lock.json
index d3c43bb..5962461 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1280,6 +1280,7 @@
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       "dev": true,
+      "optional": true,
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@@ -2569,7 +2570,8 @@
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       "integrity": "sha1-PXz0Rk22RG6mRL9LOVB/mFEAjo4=",
-      "dev": true
+      "dev": true,
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@@ -3000,7 +3002,8 @@
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       "integrity": "sha1-hMbhWbgZBP3KWaDvRM2HDTElD5o=",
-      "dev": true
+      "dev": true,
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@@ -3442,9 +3445,9 @@
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-      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.0.7.tgz",
-      "integrity": "sha512-4Ln17+vVT0k8aWq+t/bF5arcS3EpT9gYtW66EPacdj/mAFevznsnyoHLPy2BA8gbIQeIHoPsvwmfBftfcG//BQ==",
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/eventsource/-/eventsource-1.1.1.tgz",
+      "integrity": "sha512-qV5ZC0h7jYIAOhArFJgSfdyz6rALJyb270714o7ZtNnw2WSJ+eexhKtE0O8LYPRsHZHf2osHKZBxGPvm3kPkCA==",
       "dev": true,
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@@ -4017,7 +4020,8 @@
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-          "dev": true
+          "dev": true,
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@@ -4038,12 +4042,14 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.1.11",
           "bundled": true,
           "dev": true,
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@@ -4058,17 +4064,20 @@
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-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "0.0.1",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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@@ -4185,7 +4194,8 @@
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           "version": "2.0.3",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "1.3.5",
@@ -4197,6 +4207,7 @@
           "version": "1.0.0",
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           "dev": true,
+          "optional": true,
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@@ -4211,6 +4222,7 @@
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           "dev": true,
+          "optional": true,
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@@ -4218,12 +4230,14 @@
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           "version": "0.0.8",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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           "version": "2.3.5",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4242,6 +4256,7 @@
           "version": "0.5.1",
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           "dev": true,
+          "optional": true,
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@@ -4322,7 +4337,8 @@
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           "version": "1.0.1",
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-          "dev": true
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@@ -4334,6 +4350,7 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4419,7 +4436,8 @@
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           "version": "5.1.2",
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-          "dev": true
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@@ -4455,6 +4473,7 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
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@@ -4474,6 +4493,7 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
+          "optional": true,
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@@ -4517,12 +4537,14 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true
+          "dev": true,
+          "optional": true
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         "yallist": {
           "version": "3.0.3",
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       "dev": true,
+      "optional": true,
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@@ -4575,6 +4598,7 @@
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       "integrity": "sha1-LANAXHU4w51+s3sxcCLjJfsBi/c=",
       "dev": true,
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@@ -4590,13 +4614,15 @@
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           "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
-          "dev": true
+          "dev": true,
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           "integrity": "sha1-754xOG8DGn8NZDr4L95QxFfvAMs=",
           "dev": true,
+          "optional": true,
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@@ -4606,6 +4632,7 @@
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           "integrity": "sha1-EYvfW4zcUaKn5w0hHgfisLmxB9M=",
           "dev": true,
+          "optional": true,
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@@ -4617,6 +4644,7 @@
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           "integrity": "sha1-ajhfuIU9lS1f8F0Oiq+UJ43GPc8=",
           "dev": true,
+          "optional": true,
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@@ -4649,7 +4677,8 @@
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       "integrity": "sha1-uWjGsKBDhDJJAui/Gl3zJXmkUP4=",
-      "dev": true
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+      "optional": true
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@@ -4860,7 +4889,8 @@
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-      "dev": true
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@@ -5524,7 +5554,8 @@
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       "integrity": "sha1-Sw2hRCEE0bM2NA6AeX6GXPOffXI=",
-      "dev": true
+      "dev": true,
+      "optional": true
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@@ -6155,6 +6186,7 @@
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       "integrity": "sha1-lWkFcI1YtLq0wiYbBPWfMcmTdMA=",
       "dev": true,
+      "optional": true,
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@@ -6167,7 +6199,8 @@
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-          "dev": true
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@@ -6463,7 +6496,8 @@
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-      "dev": true
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+      "optional": true
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@@ -7112,6 +7146,7 @@
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       "dev": true,
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@@ -8218,6 +8253,7 @@
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       "integrity": "sha1-9f+qXs0pyzHAR0vKfXVra7KePyg=",
       "dev": true,
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@@ -8229,6 +8265,7 @@
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           "integrity": "sha1-WcRPfuSR2nBNpBXaWkBwuk+P5EE=",
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+          "optional": true,
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@@ -8239,7 +8276,8 @@
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-          "dev": true
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@@ -8248,6 +8286,7 @@
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       "integrity": "sha1-nWPBMnbAZZGNV/ACpX9AobZD+wI=",
       "dev": true,
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           "integrity": "sha1-ay6YIrGizgpgq2TWEOzK1TyyTQ8=",
           "dev": true,
+          "optional": true,
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@@ -8268,6 +8308,7 @@
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           "integrity": "sha1-D+tsZPD8UY2adU3V77YscCJ2H0s=",
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@@ -9613,6 +9654,7 @@
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       "integrity": "sha1-YhmoVhZSBJHzV4i9vxRHqZx+aw4=",
       "dev": true,
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@@ -10946,6 +10988,7 @@
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       "dev": true,
+      "optional": true,
       "requires": {
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       }