diff --git a/package-lock.json b/package-lock.json
index ad622926..5c6210a3 100644
--- a/package-lock.json
+++ b/package-lock.json
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-      "integrity": "sha1-peZUwuWi3rXyAdls77yoDA7y9RM=",
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@@ -4800,9 +4708,10 @@
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-      "integrity": "sha1-NJptRMU6Ud6JtAgFxdXlm0F9M0A="
+      "version": "0.4.1",
+      "resolved": "https://registry.npmjs.org/json-schema-traverse/-/json-schema-traverse-0.4.1.tgz",
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+      "dev": true
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     "json-stable-stringify-without-jsonify": {
       "version": "1.0.1",
@@ -5087,6 +4996,12 @@
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+      "resolved": "https://registry.npmjs.org/luxon/-/luxon-1.16.0.tgz",
+      "integrity": "sha512-qaqB+JwpGwtl7UbIXng3A/l4W/ySBr8drQvwtMLZBMiLD2V+0fEnPWMrs+UjnIy9PsktazQaKvwDUCLzoWz0Hw==",
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       "resolved": "https://registry.npmjs.org/map-cache/-/map-cache-0.2.2.tgz",
@@ -5649,9 +5564,9 @@
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-      "integrity": "sha1-Rqarfwrq2N6unsBWV4C31O/rnUM="
+      "version": "0.9.0",
+      "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.9.0.tgz",
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@@ -6340,6 +6255,11 @@
         "through2": "~0.2.3"
       }
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+    "psl": {
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+      "resolved": "https://registry.npmjs.org/psl/-/psl-1.1.32.tgz",
+      "integrity": "sha512-MHACAkHpihU/REGGPLj4sEfc/XKW2bheigvHO1dUqjaKigMp1C8+WLQYRGgeKFMsw5PMfegZcaN8IDXK/cD0+g=="
+    },
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       "resolved": "https://registry.npmjs.org/punycode/-/punycode-1.4.1.tgz",
@@ -6598,30 +6518,69 @@
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-      "resolved": "https://registry.npmjs.org/request/-/request-2.87.0.tgz",
-      "integrity": "sha512-fcogkm7Az5bsS6Sl0sibkbhcKsnyon/jV1kF3ajGmF0c8HrttdKTPRT9hieOaQHA5HEq6r8OyWOo/o781C1tNw==",
+      "version": "2.88.0",
+      "resolved": "https://registry.npmjs.org/request/-/request-2.88.0.tgz",
+      "integrity": "sha512-NAqBSrijGLZdM0WZNsInLJpkJokL72XYjUpnB0iwsRgxh7dB6COrHnTBNwN0E+lHDAJzu7kLAkDeY08z2/A0hg==",
       "requires": {
         "aws-sign2": "~0.7.0",
-        "aws4": "^1.6.0",
+        "aws4": "^1.8.0",
         "caseless": "~0.12.0",
-        "combined-stream": "~1.0.5",
-        "extend": "~3.0.1",
+        "combined-stream": "~1.0.6",
+        "extend": "~3.0.2",
         "forever-agent": "~0.6.1",
-        "form-data": "~2.3.1",
-        "har-validator": "~5.0.3",
+        "form-data": "~2.3.2",
+        "har-validator": "~5.1.0",
         "http-signature": "~1.2.0",
         "is-typedarray": "~1.0.0",
         "isstream": "~0.1.2",
         "json-stringify-safe": "~5.0.1",
-        "mime-types": "~2.1.17",
-        "oauth-sign": "~0.8.2",
+        "mime-types": "~2.1.19",
+        "oauth-sign": "~0.9.0",
         "performance-now": "^2.1.0",
-        "qs": "~6.5.1",
-        "safe-buffer": "^5.1.1",
-        "tough-cookie": "~2.3.3",
+        "qs": "~6.5.2",
+        "safe-buffer": "^5.1.2",
+        "tough-cookie": "~2.4.3",
         "tunnel-agent": "^0.6.0",
-        "uuid": "^3.1.0"
+        "uuid": "^3.3.2"
+      },
+      "dependencies": {
+        "extend": {
+          "version": "3.0.2",
+          "resolved": "https://registry.npmjs.org/extend/-/extend-3.0.2.tgz",
+          "integrity": "sha512-fjquC59cD7CyW6urNXK0FBufkZcoiGG80wTuPujX590cB5Ttln20E2UB4S/WARVqhXffZl2LNgS+gQdPIIim/g=="
+        },
+        "mime-db": {
+          "version": "1.40.0",
+          "resolved": "https://registry.npmjs.org/mime-db/-/mime-db-1.40.0.tgz",
+          "integrity": "sha512-jYdeOMPy9vnxEqFRRo6ZvTZ8d9oPb+k18PKoYNYUe2stVEBPPwsln/qWzdbmaIvnhZ9v2P+CuecK+fpUfsV2mA=="
+        },
+        "mime-types": {
+          "version": "2.1.24",
+          "resolved": "https://registry.npmjs.org/mime-types/-/mime-types-2.1.24.tgz",
+          "integrity": "sha512-WaFHS3MCl5fapm3oLxU4eYDw77IQM2ACcxQ9RIxfaC3ooc6PFuBMGZZsYpvoXS5D5QTWPieo1jjLdAm3TBP3cQ==",
+          "requires": {
+            "mime-db": "1.40.0"
+          }
+        },
+        "safe-buffer": {
+          "version": "5.1.2",
+          "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
+          "integrity": "sha512-Gd2UZBJDkXlY7GbJxfsE8/nvKkUEU1G38c1siN6QP6a9PT9MmHB8GnpscSmMJSoF8LOIrt8ud/wPtojys4G6+g=="
+        },
+        "tough-cookie": {
+          "version": "2.4.3",
+          "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.4.3.tgz",
+          "integrity": "sha512-Q5srk/4vDM54WJsJio3XNn6K2sCG+CQ8G5Wz6bZhRZoAe/+TxjWB/GlFAnYEbkYVlON9FMk/fE3h2RLpPXo4lQ==",
+          "requires": {
+            "psl": "^1.1.24",
+            "punycode": "^1.4.1"
+          }
+        },
+        "uuid": {
+          "version": "3.3.2",
+          "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.2.tgz",
+          "integrity": "sha512-yXJmeNaw3DnnKAOKJE51sL/ZaYfWJRl1pK9dr19YFCu0ObS231AB1/LbqTKRAQ5kw8A90rA6fr4riOUpTZvQZA=="
+        }
       }
     },
     "request-promise-core": {
@@ -6735,6 +6694,15 @@
         }
       }
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+    "rrule": {
+      "version": "2.6.2",
+      "resolved": "https://registry.npmjs.org/rrule/-/rrule-2.6.2.tgz",
+      "integrity": "sha512-xL38CM1zOYOIp4OO8hdD6zHH5UdR9siHMvPiv+CCSh7o0LYJ0owg87QcFW7GXJ0PfpLBHjanEMvvBjJxbRhAcQ==",
+      "requires": {
+        "luxon": "^1.3.3",
+        "tslib": "^1.9.0"
+      }
+    },
     "rrule-alt": {
       "version": "2.2.8",
       "resolved": "https://registry.npmjs.org/rrule-alt/-/rrule-alt-2.2.8.tgz",
@@ -6765,9 +6733,9 @@
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     "rxjs": {
-      "version": "6.4.0",
-      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.4.0.tgz",
-      "integrity": "sha512-Z9Yfa11F6B9Sg/BK9MnqnQ+aQYicPLtilXBp2yUtDt2JRCE0h26d33EnfO3ZxoNxG0T92OUucP3Ct7cpfkdFfw==",
+      "version": "6.5.2",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.2.tgz",
+      "integrity": "sha512-HUb7j3kvb7p7eCUHE3FqjoDsC1xfZQ4AHFWfTKSpZ+sAhhz5X1WX0ZuUqWbzB2QhSLp3DoLUG+hMdEDKqWo2Zg==",
       "dev": true,
       "requires": {
         "tslib": "^1.9.0"
@@ -7215,9 +7183,9 @@
       "dev": true
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     "sshpk": {
-      "version": "1.14.2",
-      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.14.2.tgz",
-      "integrity": "sha1-xvxhZIo9nE52T9P8306hBeSSupg=",
+      "version": "1.16.1",
+      "resolved": "https://registry.npmjs.org/sshpk/-/sshpk-1.16.1.tgz",
+      "integrity": "sha512-HXXqVUq7+pcKeLqqZj6mHFUMvXtOJt1uoUx09pFW6011inTMxqI8BA8PM95myrIyyKwdnzjdFjLiE6KBPVtJIg==",
       "requires": {
         "asn1": "~0.2.3",
         "assert-plus": "^1.0.0",
@@ -7639,18 +7607,18 @@
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     "stylelint-config-recommended": {
-      "version": "2.1.0",
-      "resolved": "https://registry.npmjs.org/stylelint-config-recommended/-/stylelint-config-recommended-2.1.0.tgz",
-      "integrity": "sha512-ajMbivOD7JxdsnlS5945KYhvt7L/HwN6YeYF2BH6kE4UCLJR0YvXMf+2j7nQpJyYLZx9uZzU5G1ZOSBiWAc6yA==",
+      "version": "2.2.0",
+      "resolved": "https://registry.npmjs.org/stylelint-config-recommended/-/stylelint-config-recommended-2.2.0.tgz",
+      "integrity": "sha512-bZ+d4RiNEfmoR74KZtCKmsABdBJr4iXRiCso+6LtMJPw5rd/KnxUWTxht7TbafrTJK1YRjNgnN0iVZaJfc3xJA==",
       "dev": true
     },
     "stylelint-config-standard": {
-      "version": "18.2.0",
-      "resolved": "https://registry.npmjs.org/stylelint-config-standard/-/stylelint-config-standard-18.2.0.tgz",
-      "integrity": "sha512-07x0TaSIzvXlbOioUU4ORkCIM07kyIuojkbSVCyFWNVgXMXYHfhnQSCkqu+oHWJf3YADAnPGWzdJ53NxkoJ7RA==",
+      "version": "18.3.0",
+      "resolved": "https://registry.npmjs.org/stylelint-config-standard/-/stylelint-config-standard-18.3.0.tgz",
+      "integrity": "sha512-Tdc/TFeddjjy64LvjPau9SsfVRexmTFqUhnMBrzz07J4p2dVQtmpncRF/o8yZn8ugA3Ut43E6o1GtjX80TFytw==",
       "dev": true,
       "requires": {
-        "stylelint-config-recommended": "^2.1.0"
+        "stylelint-config-recommended": "^2.2.0"
       }
     },
     "sugarss": {
@@ -7996,6 +7964,7 @@
       "version": "2.3.3",
       "resolved": "https://registry.npmjs.org/tough-cookie/-/tough-cookie-2.3.3.tgz",
       "integrity": "sha1-C2GKVWW23qkL80JdBNVe3EdadWE=",
+      "dev": true,
       "requires": {
         "punycode": "^1.4.1"
       }
@@ -8049,8 +8018,7 @@
     "tslib": {
       "version": "1.9.3",
       "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.9.3.tgz",
-      "integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ==",
-      "dev": true
+      "integrity": "sha512-4krF8scpejhaOgqzBEcGM7yDIEfi0/8+8zDRZhNZZ2kjmHJ4hv3zCbQWxoJGz1iw5U0Jl0nma13xzHXcncMavQ=="
     },
     "tunnel-agent": {
       "version": "0.6.0",
@@ -8063,8 +8031,7 @@
     "tweetnacl": {
       "version": "0.14.5",
       "resolved": "https://registry.npmjs.org/tweetnacl/-/tweetnacl-0.14.5.tgz",
-      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q=",
-      "optional": true
+      "integrity": "sha1-WuaBd/GS1EViadEIr6k/+HQ/T2Q="
     },
     "type-check": {
       "version": "0.3.2",
@@ -8351,7 +8318,8 @@
     "uuid": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.1.0.tgz",
-      "integrity": "sha512-DIWtzUkw04M4k3bf1IcpS2tngXEL26YUD2M0tMDUpnUrz2hgzUBlD55a4FjdLGPvfHxS6uluGWvaVEqgBcVa+g=="
+      "integrity": "sha512-DIWtzUkw04M4k3bf1IcpS2tngXEL26YUD2M0tMDUpnUrz2hgzUBlD55a4FjdLGPvfHxS6uluGWvaVEqgBcVa+g==",
+      "dev": true
     },
     "valid-url": {
       "version": "1.0.9",
diff --git a/package.json b/package.json
index a0a27ffe..f76a54d9 100644
--- a/package.json
+++ b/package.json
@@ -67,7 +67,8 @@
     "iconv-lite": "latest",
     "mocha-logger": "^1.0.6",
     "moment": "latest",
-    "request": "^2.87.0",
+    "request": "^2.88.0",
+    "rrule": "^2.6.2",
     "rrule-alt": "^2.2.8",
     "simple-git": "^1.85.0",
     "socket.io": "^2.1.1",
diff --git a/vendor/package-lock.json b/vendor/package-lock.json
index 61c1d19e..795e7b00 100644
--- a/vendor/package-lock.json
+++ b/vendor/package-lock.json
@@ -225,8 +225,7 @@
         },
         "ansi-regex": {
           "version": "2.1.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -244,13 +243,11 @@
         },
         "balanced-match": {
           "version": "1.0.0",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
-          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -263,18 +260,15 @@
         },
         "code-point-at": {
           "version": "1.1.0",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "concat-map": {
           "version": "0.0.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "console-control-strings": {
           "version": "1.1.0",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -377,8 +371,7 @@
         },
         "inherits": {
           "version": "2.0.3",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "ini": {
           "version": "1.3.5",
@@ -388,7 +381,6 @@
         "is-fullwidth-code-point": {
           "version": "1.0.0",
           "bundled": true,
-          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -401,20 +393,17 @@
         "minimatch": {
           "version": "3.0.4",
           "bundled": true,
-          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
         },
         "minimist": {
           "version": "0.0.8",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "minipass": {
           "version": "2.2.4",
           "bundled": true,
-          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.1",
             "yallist": "^3.0.0"
@@ -431,7 +420,6 @@
         "mkdirp": {
           "version": "0.5.1",
           "bundled": true,
-          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -504,8 +492,7 @@
         },
         "number-is-nan": {
           "version": "1.0.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -515,7 +502,6 @@
         "once": {
           "version": "1.4.0",
           "bundled": true,
-          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -591,8 +577,7 @@
         },
         "safe-buffer": {
           "version": "5.1.1",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -622,7 +607,6 @@
         "string-width": {
           "version": "1.0.2",
           "bundled": true,
-          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -640,7 +624,6 @@
         "strip-ansi": {
           "version": "3.0.1",
           "bundled": true,
-          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -679,13 +662,11 @@
         },
         "wrappy": {
           "version": "1.0.2",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         },
         "yallist": {
           "version": "3.0.2",
-          "bundled": true,
-          "optional": true
+          "bundled": true
         }
       }
     },