diff --git a/package-lock.json b/package-lock.json
index 0831038..99fb59b 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -399,60 +399,21 @@
                 "@types/d3-selection": "1.2.0"
             }
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-            "resolved": "https://registry.npmjs.org/@types/fs-extra/-/fs-extra-4.0.0.tgz",
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-            "dev": true,
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-            }
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             "dev": true
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-        "@types/handlebars": {
-            "version": "4.0.31",
-            "resolved": "https://registry.npmjs.org/@types/handlebars/-/handlebars-4.0.31.tgz",
-            "integrity": "sha1-p/umb6/kJxOu6I7sqNuRGS7+bnI=",
-            "dev": true
-        },
-        "@types/highlight.js": {
-            "version": "9.1.8",
-            "resolved": "https://registry.npmjs.org/@types/highlight.js/-/highlight.js-9.1.8.tgz",
-            "integrity": "sha1-0ifxi8uPPxh+FpZfJESFmgRol1g=",
-            "dev": true
-        },
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             "resolved": "https://registry.npmjs.org/@types/localforage/-/localforage-0.0.30.tgz",
             "integrity": "sha1-PWCmv23aOOP4pGlhFZg3nx9klQk="
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-        "@types/lodash": {
-            "version": "4.14.74",
-            "resolved": "https://registry.npmjs.org/@types/lodash/-/lodash-4.14.74.tgz",
-            "integrity": "sha512-BZknw3E/z3JmCLqQVANcR17okqVTPZdlxvcIz0fJiJVLUCbSH1hK3zs9r634PVSmrzAxN+n/fxlVRiYoArdOIQ==",
-            "dev": true
-        },
-        "@types/marked": {
-            "version": "0.3.0",
-            "resolved": "https://registry.npmjs.org/@types/marked/-/marked-0.3.0.tgz",
-            "integrity": "sha512-CSf9YWJdX1DkTNu9zcNtdCcn6hkRtB5ILjbhRId4ZOQqx30fXmdecuaXhugQL6eyrhuXtaHJ7PHI+Vm7k9ZJjg==",
-            "dev": true
-        },
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-            "version": "2.0.29",
-            "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-2.0.29.tgz",
-            "integrity": "sha1-UALhT3Xi1x5WQoHfBDHIwbSio2o=",
-            "dev": true
-        },
-        "@types/node": {
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-            "resolved": "https://registry.npmjs.org/@types/node/-/node-9.3.0.tgz",
-            "integrity": "sha512-wNBfvNjzsJl4tswIZKXCFQY0lss9nKUyJnG6T94X/eqjRgI2jHZ4evdjhQYBSan/vGtF6XVXPApOmNH2rf0KKw==",
+            "version": "3.0.3",
+            "resolved": "https://registry.npmjs.org/@types/minimatch/-/minimatch-3.0.3.tgz",
+            "integrity": "sha512-tHq6qdbT9U1IRSGf14CL0pUlULksvY9OZ+5eEgl1N7t+OA3tGvNpxJCzuKQlsNgCVwbAs670L1vcVQi8j9HjnA==",
             "dev": true
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@@ -460,15 +421,6 @@
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         },
-        "@types/shelljs": {
-            "version": "0.7.0",
-            "resolved": "https://registry.npmjs.org/@types/shelljs/-/shelljs-0.7.0.tgz",
-            "integrity": "sha1-IpwVfGvB5n1rmQ5sXhjb0v9Yz/A=",
-            "dev": true,
-            "requires": {
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-            }
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             "resolved": "https://registry.npmjs.org/abbrev/-/abbrev-1.1.1.tgz",
@@ -753,6 +705,15 @@
                 }
             }
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+        "backbone": {
+            "version": "1.4.0",
+            "resolved": "https://registry.npmjs.org/backbone/-/backbone-1.4.0.tgz",
+            "integrity": "sha512-RLmDrRXkVdouTg38jcgHhyQ/2zjg7a8E6sz2zxfz21Hh17xDJYUHBZimVIt5fUyS8vbfpeSmTL3gUjTEvUV3qQ==",
+            "dev": true,
+            "requires": {
+                "underscore": ">=1.8.3"
+            }
+        },
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             "resolved": "https://registry.npmjs.org/balanced-match/-/balanced-match-1.0.0.tgz",
@@ -1955,7 +1916,6 @@
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-                "d3-scale": "1.0.7",
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@@ -2110,17 +2070,16 @@
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+            "version": "2.2.2",
+            "resolved": "https://registry.npmjs.org/d3-scale/-/d3-scale-2.2.2.tgz",
+            "integrity": "sha512-LbeEvGgIb8UMcAa0EATLNX0lelKWGYDQiPdHj+gLblGVhGLyNbaCn3EvrJf0A3Y/uOOU5aD6MTh5ZFCdEwGiCw==",
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-                "d3-collection": "1.0.4",
-                "d3-color": "1.0.3",
-                "d3-format": "1.2.1",
-                "d3-interpolate": "1.1.6",
-                "d3-time": "1.0.8",
-                "d3-time-format": "2.1.1"
+                "d3-array": "^1.2.0",
+                "d3-collection": "1",
+                "d3-format": "1",
+                "d3-interpolate": "1",
+                "d3-time": "1",
+                "d3-time-format": "2"
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         "d3-selection": {
@@ -2846,7 +2805,8 @@
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-                    "bundled": true
+                    "bundled": true,
+                    "optional": true
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@@ -2889,7 +2849,8 @@
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-                    "bundled": true
+                    "bundled": true,
+                    "optional": true
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@@ -2902,6 +2863,7 @@
                 "block-stream": {
                     "version": "0.0.9",
                     "bundled": true,
+                    "optional": true,
                     "requires": {
                         "inherits": "2.0.3"
                     }
@@ -2909,6 +2871,7 @@
                 "boom": {
                     "version": "2.10.1",
                     "bundled": true,
+                    "optional": true,
                     "requires": {
                         "hoek": "2.16.3"
                     }
@@ -2916,6 +2879,7 @@
                 "brace-expansion": {
                     "version": "1.1.7",
                     "bundled": true,
+                    "optional": true,
                     "requires": {
                         "balanced-match": "0.4.2",
                         "concat-map": "0.0.1"
@@ -2923,7 +2887,8 @@
                 },
                 "buffer-shims": {
                     "version": "1.0.0",
-                    "bundled": true
+                    "bundled": true,
+                    "optional": true
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                     "version": "0.12.0",
@@ -2937,30 +2902,36 @@
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                 "code-point-at": {
                     "version": "1.1.0",
-                    "bundled": true
+                    "bundled": true,
+                    "optional": true
                 },
                 "combined-stream": {
                     "version": "1.0.5",
                     "bundled": true,
+                    "optional": true,
                     "requires": {
                         "delayed-stream": "1.0.0"
                     }
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                 "concat-map": {
                     "version": "0.0.1",
-                    "bundled": true
+                    "bundled": true,
+                    "optional": true
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+                    "bundled": true,
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+                    "bundled": true,
+                    "optional": true
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                 "cryptiles": {
                     "version": "2.0.5",
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+                    "optional": true,
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                     }
@@ -2995,7 +2966,8 @@
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-                    "bundled": true
+                    "bundled": true,
+                    "optional": true
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@@ -3022,7 +2994,8 @@
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                 "extsprintf": {
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+                    "bundled": true,
+                    "optional": true
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@@ -3041,11 +3014,13 @@
                 },
                 "fs.realpath": {
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-                    "bundled": true
+                    "bundled": true,
+                    "optional": true
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                 "fstream": {
                     "version": "1.0.11",
                     "bundled": true,
+                    "optional": true,
                     "requires": {
                         "graceful-fs": "4.1.11",
                         "inherits": "2.0.3",
@@ -3096,6 +3071,7 @@
                 "glob": {
                     "version": "7.1.2",
                     "bundled": true,
+                    "optional": true,
                     "requires": {
                         "fs.realpath": "1.0.0",
                         "inflight": "1.0.6",
@@ -3107,7 +3083,8 @@
                 },
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                     "version": "4.1.11",
-                    "bundled": true
+                    "bundled": true,
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@@ -3131,6 +3108,7 @@
                 "hawk": {
                     "version": "3.1.3",
                     "bundled": true,
+                    "optional": true,
                     "requires": {
                         "boom": "2.10.1",
                         "cryptiles": "2.0.5",
@@ -3140,7 +3118,8 @@
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                 "hoek": {
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-                    "bundled": true
+                    "bundled": true,
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@@ -3155,6 +3134,7 @@
                 "inflight": {
                     "version": "1.0.6",
                     "bundled": true,
+                    "optional": true,
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                         "once": "1.4.0",
                         "wrappy": "1.0.2"
@@ -3162,7 +3142,8 @@
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-                    "bundled": true
+                    "bundled": true,
+                    "optional": true
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@@ -3172,6 +3153,7 @@
                 "is-fullwidth-code-point": {
                     "version": "1.0.0",
                     "bundled": true,
+                    "optional": true,
                     "requires": {
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                     }
@@ -3183,7 +3165,8 @@
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+                    "bundled": true,
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@@ -3246,11 +3229,13 @@
                 },
                 "mime-db": {
                     "version": "1.27.0",
-                    "bundled": true
+                    "bundled": true,
+                    "optional": true
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                     "version": "2.1.15",
                     "bundled": true,
+                    "optional": true,
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                     }
@@ -3258,17 +3243,20 @@
                 "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
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                 "mkdirp": {
                     "version": "0.5.1",
                     "bundled": true,
+                    "optional": true,
                     "requires": {
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                     }
@@ -3318,7 +3306,8 @@
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@@ -3333,6 +3322,7 @@
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@@ -3358,7 +3348,8 @@
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@@ -3367,7 +3358,8 @@
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@@ -3400,6 +3392,7 @@
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                     "bundled": true,
+                    "optional": true,
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@@ -3442,13 +3435,15 @@
                 "rimraf": {
                     "version": "2.6.1",
                     "bundled": true,
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                     "requires": {
                         "glob": "7.1.2"
                     }
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                 "safe-buffer": {
                     "version": "5.0.1",
-                    "bundled": true
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@@ -3468,6 +3463,7 @@
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                     "bundled": true,
+                    "optional": true,
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                     }
@@ -3498,6 +3494,7 @@
                 "string-width": {
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+                    "optional": true,
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@@ -3507,6 +3504,7 @@
                 "string_decoder": {
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@@ -3519,6 +3517,7 @@
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@@ -3531,6 +3530,7 @@
                 "tar": {
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                     "bundled": true,
+                    "optional": true,
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                         "fstream": "1.0.11",
@@ -3580,7 +3580,8 @@
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                     "version": "1.0.2",
-                    "bundled": true
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@@ -3605,7 +3606,8 @@
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                     "version": "1.0.2",
-                    "bundled": true
+                    "bundled": true,
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@@ -3730,84 +3732,22 @@
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-            "integrity": "sha1-Ywo13+ApS8KB7a5v/F0yn8eYLcw=",
+            "version": "4.5.3",
+            "resolved": "https://registry.npmjs.org/handlebars/-/handlebars-4.5.3.tgz",
+            "integrity": "sha512-3yPecJoJHK/4c6aZhSvxOyG4vJKDshV36VHp0iVCDVh7o9w2vwi3NSnL2MMPj3YdduqaBcu7cGbggJQM0br9xA==",
             "dev": true,
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-                "async": "1.5.2",
-                "optimist": "0.6.1",
-                "source-map": "0.4.4",
-                "uglify-js": "2.8.29"
+                "neo-async": "^2.6.0",
+                "optimist": "^0.6.1",
+                "source-map": "^0.6.1",
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-                    "integrity": "sha1-7GphrlZIDAw8skHJVhjiCJL5Zyo=",
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-                    "integrity": "sha1-m7UwTS4LVmmLLHWLCKPqqdqlijk=",
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-                    "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
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-                        "cliui": "2.1.0",
-                        "decamelize": "1.2.0",
-                        "window-size": "0.1.0"
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+                    "version": "0.6.1",
+                    "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
+                    "integrity": "sha512-UjgapumWlbMhkBgzT7Ykc5YXUT46F0iKu8SGXq0bcwP5dz/h0Plj6enJqjz1Zbq2l5WaqYnrVbwWOWMyF3F47g==",
+                    "dev": true
                 }
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@@ -3880,9 +3820,9 @@
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-            "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.12.0.tgz",
-            "integrity": "sha1-5tnb5Xy+/mB1HwKvM2GVhwyQwB4=",
+            "version": "9.16.2",
+            "resolved": "https://registry.npmjs.org/highlight.js/-/highlight.js-9.16.2.tgz",
+            "integrity": "sha512-feMUrVLZvjy0oC7FVJQcSQRqbBq9kwqnYE4+Kj9ZjbHh3g+BisiPgF49NyQbVLNdrL/qqZr3Ca9yOKwgn2i/tw==",
             "dev": true
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@@ -4213,6 +4153,12 @@
             "resolved": "https://registry.npmjs.org/isstream/-/isstream-0.1.2.tgz",
             "integrity": "sha1-R+Y/evVa+m+S4VAOaQ64uFKcCZo="
         },
+        "jquery": {
+            "version": "3.4.1",
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-            "integrity": "sha1-3svPh0sNHl+3LhSxZKloMEjprLM=",
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+            "resolved": "https://registry.npmjs.org/shelljs/-/shelljs-0.8.3.tgz",
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-                "interpret": "1.1.0",
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+                "glob": "^7.0.0",
+                "interpret": "^1.0.0",
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@@ -6262,43 +6220,66 @@
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-                "handlebars": "4.0.11",
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-                "lodash": "4.17.4",
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-                "shelljs": "0.7.8",
-                "typedoc-default-themes": "0.5.0",
-                "typescript": "2.4.1"
+            "version": "0.15.4",
+            "resolved": "https://registry.npmjs.org/typedoc/-/typedoc-0.15.4.tgz",
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+            "dev": true,
+            "requires": {
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+                "fs-extra": "^8.1.0",
+                "handlebars": "^4.5.3",
+                "highlight.js": "^9.16.2",
+                "lodash": "^4.17.15",
+                "marked": "^0.7.0",
+                "minimatch": "^3.0.0",
+                "progress": "^2.0.3",
+                "shelljs": "^0.8.3",
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+                    "dev": true,
+                    "requires": {
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+                        "jsonfile": "^4.0.0",
+                        "universalify": "^0.1.0"
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+                    "resolved": "https://registry.npmjs.org/graceful-fs/-/graceful-fs-4.2.3.tgz",
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+                "lodash": {
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+                    "resolved": "https://registry.npmjs.org/lodash/-/lodash-4.17.15.tgz",
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-                    "resolved": "https://registry.npmjs.org/typescript/-/typescript-2.4.1.tgz",
-                    "integrity": "sha1-w8yxbdqgsjFN4DHn5v7onlujRrw=",
+                    "version": "3.7.3",
+                    "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.3.tgz",
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-            "resolved": "https://registry.npmjs.org/typedoc-default-themes/-/typedoc-default-themes-0.5.0.tgz",
-            "integrity": "sha1-bcJDPnjti+qOiHo6zeLzF4W9Yic=",
-            "dev": true
+            "version": "0.6.1",
+            "resolved": "https://registry.npmjs.org/typedoc-default-themes/-/typedoc-default-themes-0.6.1.tgz",
+            "integrity": "sha512-z5AWKqQDz7igl9WkUuafx8cEm4MPVQGMpbWE+3lwVOaq+U4UoLKBMnpFQWh/4fqQ3bGysXpOstMxy2OOzHezyw==",
+            "dev": true,
+            "requires": {
+                "backbone": "^1.4.0",
+                "jquery": "^3.4.1",
+                "lunr": "^2.3.8",
+                "underscore": "^1.9.1"
+            }
         },
         "typescript": {
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@@ -6329,6 +6310,33 @@
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+        "uglify-js": {
+            "version": "3.7.2",
+            "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-3.7.2.tgz",
+            "integrity": "sha512-uhRwZcANNWVLrxLfNFEdltoPNhECUR3lc+UdJoG9CBpMcSnKyWA94tc3eAujB1GcMY5Uwq8ZMp4qWpxWYDQmaA==",
+            "dev": true,
+            "optional": true,
+            "requires": {
+                "commander": "~2.20.3",
+                "source-map": "~0.6.1"
+            },
+            "dependencies": {
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+                    "version": "2.20.3",
+                    "resolved": "https://registry.npmjs.org/commander/-/commander-2.20.3.tgz",
+                    "integrity": "sha512-GpVkmM8vF2vQUkj2LvZmD35JxeJOLCwJ9cUkugyk2nuhbv3+mJvpLYYt+0+USMxE+oj+ey/lJEnhZw75x/OMcQ==",
+                    "dev": true,
+                    "optional": true
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+                    "version": "0.6.1",
+                    "resolved": "https://registry.npmjs.org/source-map/-/source-map-0.6.1.tgz",
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+                    "optional": true
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+        "underscore": {
+            "version": "1.9.1",
+            "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.9.1.tgz",
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+            "dev": true
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             "resolved": "https://registry.npmjs.org/universalify/-/universalify-0.1.1.tgz",
diff --git a/package.json b/package.json
index f278e1f..7c34fb4 100644
--- a/package.json
+++ b/package.json
@@ -52,7 +52,7 @@
         "@ionic/app-scripts": "^3.1.7",
         "@types/d3": "^4.12.0",
         "tslint-ionic-rules": "0.0.13",
-        "typedoc": "^0.10.0",
+        "typedoc": "^0.15.4",
         "typescript": "^2.6.2"
     },
     "description": "D3.js in a Ionic mobile application: examples",