diff --git a/package-lock.json b/package-lock.json
index 634b2c1..7b4cc09 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -3029,7 +3029,8 @@
 			"version": "4.6.0",
 			"resolved": "https://registry.npmjs.org/co/-/co-4.6.0.tgz",
 			"integrity": "sha1-bqa989hTrlTMuOR7+gvz+QMfsYQ=",
-			"dev": true
+			"dev": true,
+			"optional": true
 		},
 		"co-from-stream": {
 			"version": "0.0.0",
@@ -4858,9 +4859,9 @@
 			"integrity": "sha512-Dc381HFWJzEOhQ+d8pkNon++bk9h6cdAoAj4iE6Q4y6xgTzySWXlKn05/TVNpjnfRqi/X0EpJEJohPjNI3zpVA=="
 		},
 		"eventsource": {
-			"version": "1.0.7",
-			"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,
 			"requires": {
 				"original": "^1.0.0"
@@ -5478,7 +5479,8 @@
 				},
 				"ansi-regex": {
 					"version": "2.1.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"aproba": {
 					"version": "1.2.0",
@@ -5496,11 +5498,13 @@
 				},
 				"balanced-match": {
 					"version": "1.0.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"brace-expansion": {
 					"version": "1.1.11",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"balanced-match": "^1.0.0",
 						"concat-map": "0.0.1"
@@ -5513,15 +5517,18 @@
 				},
 				"code-point-at": {
 					"version": "1.1.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"concat-map": {
 					"version": "0.0.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"console-control-strings": {
 					"version": "1.1.0",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"core-util-is": {
 					"version": "1.0.2",
@@ -5624,7 +5631,8 @@
 				},
 				"inherits": {
 					"version": "2.0.3",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"ini": {
 					"version": "1.3.5",
@@ -5634,6 +5642,7 @@
 				"is-fullwidth-code-point": {
 					"version": "1.0.0",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"number-is-nan": "^1.0.0"
 					}
@@ -5646,17 +5655,20 @@
 				"minimatch": {
 					"version": "3.0.4",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"brace-expansion": "^1.1.7"
 					}
 				},
 				"minimist": {
 					"version": "0.0.8",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"minipass": {
 					"version": "2.3.5",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"safe-buffer": "^5.1.2",
 						"yallist": "^3.0.0"
@@ -5673,6 +5685,7 @@
 				"mkdirp": {
 					"version": "0.5.1",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"minimist": "0.0.8"
 					}
@@ -5745,7 +5758,8 @@
 				},
 				"number-is-nan": {
 					"version": "1.0.1",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"object-assign": {
 					"version": "4.1.1",
@@ -5755,6 +5769,7 @@
 				"once": {
 					"version": "1.4.0",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"wrappy": "1"
 					}
@@ -5830,7 +5845,8 @@
 				},
 				"safe-buffer": {
 					"version": "5.1.2",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"safer-buffer": {
 					"version": "2.1.2",
@@ -5860,6 +5876,7 @@
 				"string-width": {
 					"version": "1.0.2",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"code-point-at": "^1.0.0",
 						"is-fullwidth-code-point": "^1.0.0",
@@ -5877,6 +5894,7 @@
 				"strip-ansi": {
 					"version": "3.0.1",
 					"bundled": true,
+					"optional": true,
 					"requires": {
 						"ansi-regex": "^2.0.0"
 					}
@@ -5915,11 +5933,13 @@
 				},
 				"wrappy": {
 					"version": "1.0.2",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				},
 				"yallist": {
 					"version": "3.0.3",
-					"bundled": true
+					"bundled": true,
+					"optional": true
 				}
 			}
 		},
@@ -10275,7 +10295,8 @@
 			"version": "4.0.8",
 			"resolved": "https://registry.npmjs.org/rx-lite/-/rx-lite-4.0.8.tgz",
 			"integrity": "sha1-Cx4Rr4vESDbwSmQH6S2kJGe3lEQ=",
-			"dev": true
+			"dev": true,
+			"optional": true
 		},
 		"rx-lite-aggregates": {
 			"version": "4.0.8",