diff --git a/.vscode/launch.json b/.vscode/launch.json
new file mode 100644
index 0000000..cc6b1b3
--- /dev/null
+++ b/.vscode/launch.json
@@ -0,0 +1,17 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "type": "pwa-node",
+            "request": "launch",
+            "name": "Launch Program",
+            "skipFiles": [
+                "<node_internals>/**"
+            ],
+            "program": "${workspaceFolder}/server.js"
+        }
+    ]
+}
\ No newline at end of file
diff --git a/package-lock.json b/package-lock.json
index dac33de..9e92342 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -14,7 +14,7 @@
       "resolved": "https://registry.npmjs.org/@types/babylon/-/babylon-6.16.5.tgz",
       "integrity": "sha512-xH2e58elpj1X4ynnKp9qSnWlsRTIs6n3tgLGNfwAGHwePw0mulHQllV34n0T25uYSu1k0hRKkWXF890B1yS47w==",
       "requires": {
-        "@types/babel-types": "7.0.7"
+        "@types/babel-types": "*"
       }
     },
     "accepts": {
@@ -22,7 +22,7 @@
       "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.7.tgz",
       "integrity": "sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==",
       "requires": {
-        "mime-types": "2.1.24",
+        "mime-types": "~2.1.24",
         "negotiator": "0.6.2"
       }
     },
@@ -36,7 +36,7 @@
       "resolved": "https://registry.npmjs.org/acorn-globals/-/acorn-globals-3.1.0.tgz",
       "integrity": "sha1-/YJw9x+7SZawBPqIDuXUZXOnMb8=",
       "requires": {
-        "acorn": "4.0.13"
+        "acorn": "^4.0.4"
       },
       "dependencies": {
         "acorn": {
@@ -51,9 +51,9 @@
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
       "integrity": "sha1-DNkKVhCT810KmSVsIrcGlDP60Rc=",
       "requires": {
-        "kind-of": "3.2.2",
-        "longest": "1.0.1",
-        "repeat-string": "1.6.1"
+        "kind-of": "^3.0.2",
+        "longest": "^1.0.1",
+        "repeat-string": "^1.5.2"
       }
     },
     "array-flatten": {
@@ -71,8 +71,8 @@
       "resolved": "https://registry.npmjs.org/babel-runtime/-/babel-runtime-6.26.0.tgz",
       "integrity": "sha1-llxwWGaOgrVde/4E/yM3vItWR/4=",
       "requires": {
-        "core-js": "2.6.9",
-        "regenerator-runtime": "0.11.1"
+        "core-js": "^2.4.0",
+        "regenerator-runtime": "^0.11.0"
       }
     },
     "babel-types": {
@@ -80,10 +80,10 @@
       "resolved": "https://registry.npmjs.org/babel-types/-/babel-types-6.26.0.tgz",
       "integrity": "sha1-o7Bz+Uq0nrb6Vc1lInozQ4BjJJc=",
       "requires": {
-        "babel-runtime": "6.26.0",
-        "esutils": "2.0.2",
-        "lodash": "4.17.11",
-        "to-fast-properties": "1.0.3"
+        "babel-runtime": "^6.26.0",
+        "esutils": "^2.0.2",
+        "lodash": "^4.17.4",
+        "to-fast-properties": "^1.0.3"
       }
     },
     "babylon": {
@@ -97,15 +97,15 @@
       "integrity": "sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==",
       "requires": {
         "bytes": "3.1.0",
-        "content-type": "1.0.4",
+        "content-type": "~1.0.4",
         "debug": "2.6.9",
-        "depd": "1.1.2",
+        "depd": "~1.1.2",
         "http-errors": "1.7.2",
         "iconv-lite": "0.4.24",
-        "on-finished": "2.3.0",
+        "on-finished": "~2.3.0",
         "qs": "6.7.0",
         "raw-body": "2.4.0",
-        "type-is": "1.6.18"
+        "type-is": "~1.6.17"
       }
     },
     "bytes": {
@@ -123,8 +123,8 @@
       "resolved": "https://registry.npmjs.org/center-align/-/center-align-0.1.3.tgz",
       "integrity": "sha1-qg0yYptu6XIgBBHL1EYckHvCt60=",
       "requires": {
-        "align-text": "0.1.4",
-        "lazy-cache": "1.0.4"
+        "align-text": "^0.1.3",
+        "lazy-cache": "^1.0.3"
       }
     },
     "character-parser": {
@@ -132,7 +132,7 @@
       "resolved": "https://registry.npmjs.org/character-parser/-/character-parser-2.2.0.tgz",
       "integrity": "sha1-x84o821LzZdE5f/CxfzeHHMmH8A=",
       "requires": {
-        "is-regex": "1.0.4"
+        "is-regex": "^1.0.3"
       }
     },
     "clean-css": {
@@ -140,7 +140,7 @@
       "resolved": "https://registry.npmjs.org/clean-css/-/clean-css-4.2.1.tgz",
       "integrity": "sha512-4ZxI6dy4lrY6FHzfiy1aEOXgu4LIsW2MhwG0VBKdcoGoH/XLFgaHSdLTGr4O8Be6A8r3MOphEiI8Gc1n0ecf3g==",
       "requires": {
-        "source-map": "0.6.1"
+        "source-map": "~0.6.0"
       }
     },
     "cliui": {
@@ -148,8 +148,8 @@
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-2.1.0.tgz",
       "integrity": "sha1-S0dXYP+AJkx2LDoXGQMukcf+oNE=",
       "requires": {
-        "center-align": "0.1.3",
-        "right-align": "0.1.3",
+        "center-align": "^0.1.1",
+        "right-align": "^0.1.1",
         "wordwrap": "0.0.2"
       }
     },
@@ -158,10 +158,10 @@
       "resolved": "https://registry.npmjs.org/constantinople/-/constantinople-3.1.2.tgz",
       "integrity": "sha512-yePcBqEFhLOqSBtwYOGGS1exHo/s1xjekXiinh4itpNQGCu4KA1euPh1fg07N2wMITZXQkBz75Ntdt1ctGZouw==",
       "requires": {
-        "@types/babel-types": "7.0.7",
-        "@types/babylon": "6.16.5",
-        "babel-types": "6.26.0",
-        "babylon": "6.18.0"
+        "@types/babel-types": "^7.0.0",
+        "@types/babylon": "^6.16.2",
+        "babel-types": "^6.26.0",
+        "babylon": "^6.18.0"
       }
     },
     "content-disposition": {
@@ -250,36 +250,36 @@
       "resolved": "https://registry.npmjs.org/express/-/express-4.17.1.tgz",
       "integrity": "sha512-mHJ9O79RqluphRrcw2X/GTh3k9tVv8YcoyY4Kkh4WDMUYKRZUq0h1o0w2rrrxBqM7VoeUVqgb27xlEMXTnYt4g==",
       "requires": {
-        "accepts": "1.3.7",
+        "accepts": "~1.3.7",
         "array-flatten": "1.1.1",
         "body-parser": "1.19.0",
         "content-disposition": "0.5.3",
-        "content-type": "1.0.4",
+        "content-type": "~1.0.4",
         "cookie": "0.4.0",
         "cookie-signature": "1.0.6",
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
-        "finalhandler": "1.1.2",
+        "depd": "~1.1.2",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
+        "finalhandler": "~1.1.2",
         "fresh": "0.5.2",
         "merge-descriptors": "1.0.1",
-        "methods": "1.1.2",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.3",
+        "methods": "~1.1.2",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.3",
         "path-to-regexp": "0.1.7",
-        "proxy-addr": "2.0.5",
+        "proxy-addr": "~2.0.5",
         "qs": "6.7.0",
-        "range-parser": "1.2.1",
+        "range-parser": "~1.2.1",
         "safe-buffer": "5.1.2",
         "send": "0.17.1",
         "serve-static": "1.14.1",
         "setprototypeof": "1.1.1",
-        "statuses": "1.5.0",
-        "type-is": "1.6.18",
+        "statuses": "~1.5.0",
+        "type-is": "~1.6.18",
         "utils-merge": "1.0.1",
-        "vary": "1.1.2"
+        "vary": "~1.1.2"
       }
     },
     "finalhandler": {
@@ -288,12 +288,12 @@
       "integrity": "sha512-aAWcW57uxVNrQZqFXjITpW3sIUQmHGG3qSb9mUah9MgMC4NeWhNOlNjXEYq3HjRAvL6arUviZGGJsBg6z0zsWA==",
       "requires": {
         "debug": "2.6.9",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "on-finished": "2.3.0",
-        "parseurl": "1.3.3",
-        "statuses": "1.5.0",
-        "unpipe": "1.0.0"
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "on-finished": "~2.3.0",
+        "parseurl": "~1.3.3",
+        "statuses": "~1.5.0",
+        "unpipe": "~1.0.0"
       }
     },
     "forwarded": {
@@ -316,7 +316,7 @@
       "resolved": "https://registry.npmjs.org/has/-/has-1.0.3.tgz",
       "integrity": "sha512-f2dvO0VU6Oej7RkWJGrehjbzMAjFp5/VKPp5tTpWIV4JHHZK1/BxbFRtf/siA2SWTe09caDmVtYYzWEIbBS4zw==",
       "requires": {
-        "function-bind": "1.1.1"
+        "function-bind": "^1.1.1"
       }
     },
     "http-errors": {
@@ -324,10 +324,10 @@
       "resolved": "https://registry.npmjs.org/http-errors/-/http-errors-1.7.2.tgz",
       "integrity": "sha512-uUQBt3H/cSIVfch6i1EuPNy/YsRSOUBXTVfZ+yR7Zjez3qjBz6i9+i4zjNaoqcoFVI4lQJ5plg63TvGfRSDCRg==",
       "requires": {
-        "depd": "1.1.2",
+        "depd": "~1.1.2",
         "inherits": "2.0.3",
         "setprototypeof": "1.1.1",
-        "statuses": "1.5.0",
+        "statuses": ">= 1.5.0 < 2",
         "toidentifier": "1.0.0"
       }
     },
@@ -336,7 +336,7 @@
       "resolved": "https://registry.npmjs.org/iconv-lite/-/iconv-lite-0.4.24.tgz",
       "integrity": "sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==",
       "requires": {
-        "safer-buffer": "2.1.2"
+        "safer-buffer": ">= 2.1.2 < 3"
       }
     },
     "inherits": {
@@ -359,8 +359,8 @@
       "resolved": "https://registry.npmjs.org/is-expression/-/is-expression-3.0.0.tgz",
       "integrity": "sha1-Oayqa+f9HzRx3ELHQW5hwkMXrJ8=",
       "requires": {
-        "acorn": "4.0.13",
-        "object-assign": "4.1.1"
+        "acorn": "~4.0.2",
+        "object-assign": "^4.0.1"
       },
       "dependencies": {
         "acorn": {
@@ -380,7 +380,7 @@
       "resolved": "https://registry.npmjs.org/is-regex/-/is-regex-1.0.4.tgz",
       "integrity": "sha1-VRdIm1RwkbCTDglWVM7SXul+lJE=",
       "requires": {
-        "has": "1.0.3"
+        "has": "^1.0.1"
       }
     },
     "js-stringify": {
@@ -393,8 +393,8 @@
       "resolved": "https://registry.npmjs.org/jstransformer/-/jstransformer-1.0.0.tgz",
       "integrity": "sha1-7Yvwkh4vPx7U1cGkT2hwntJHIsM=",
       "requires": {
-        "is-promise": "2.1.0",
-        "promise": "7.3.1"
+        "is-promise": "^2.0.0",
+        "promise": "^7.0.1"
       }
     },
     "kind-of": {
@@ -402,7 +402,7 @@
       "resolved": "https://registry.npmjs.org/kind-of/-/kind-of-3.2.2.tgz",
       "integrity": "sha1-MeohpzS6ubuw8yRm2JOupR5KPGQ=",
       "requires": {
-        "is-buffer": "1.1.6"
+        "is-buffer": "^1.1.5"
       }
     },
     "lazy-cache": {
@@ -468,7 +468,7 @@
       "resolved": "https://registry.npmjs.org/node/-/node-10.16.0.tgz",
       "integrity": "sha512-6phFAHRWG1aQWp7AGj5zzBTB6b4re4tAJaW0ScxdwWqdPyEEn+DkfcgMxRJk9zbbE59SXBoX/LUHF/52ts9htQ==",
       "requires": {
-        "node-bin-setup": "1.0.6"
+        "node-bin-setup": "^1.0.0"
       }
     },
     "node-bin-setup": {
@@ -509,7 +509,7 @@
       "resolved": "https://registry.npmjs.org/promise/-/promise-7.3.1.tgz",
       "integrity": "sha512-nolQXZ/4L+bP/UGlkfaIujX9BKxGwmQ9OT4mOt5yvy8iK1h3wqTEJCijzGANTCCl9nWjY41juyAn2K3Q1hLLTg==",
       "requires": {
-        "asap": "2.0.6"
+        "asap": "~2.0.3"
       }
     },
     "proxy-addr": {
@@ -517,7 +517,7 @@
       "resolved": "https://registry.npmjs.org/proxy-addr/-/proxy-addr-2.0.5.tgz",
       "integrity": "sha512-t/7RxHXPH6cJtP0pRG6smSr9QJidhB+3kXu0KgXnbGYMgzEnUxRQ4/LDdfOwZEMyIh3/xHb8PX3t+lfL9z+YVQ==",
       "requires": {
-        "forwarded": "0.1.2",
+        "forwarded": "~0.1.2",
         "ipaddr.js": "1.9.0"
       }
     },
@@ -526,14 +526,14 @@
       "resolved": "https://registry.npmjs.org/pug/-/pug-2.0.4.tgz",
       "integrity": "sha512-XhoaDlvi6NIzL49nu094R2NA6P37ijtgMDuWE+ofekDChvfKnzFal60bhSdiy8y2PBO6fmz3oMEIcfpBVRUdvw==",
       "requires": {
-        "pug-code-gen": "2.0.2",
-        "pug-filters": "3.1.1",
-        "pug-lexer": "4.1.0",
-        "pug-linker": "3.0.6",
-        "pug-load": "2.0.12",
-        "pug-parser": "5.0.1",
-        "pug-runtime": "2.0.5",
-        "pug-strip-comments": "1.0.4"
+        "pug-code-gen": "^2.0.2",
+        "pug-filters": "^3.1.1",
+        "pug-lexer": "^4.1.0",
+        "pug-linker": "^3.0.6",
+        "pug-load": "^2.0.12",
+        "pug-parser": "^5.0.1",
+        "pug-runtime": "^2.0.5",
+        "pug-strip-comments": "^1.0.4"
       }
     },
     "pug-attrs": {
@@ -541,9 +541,9 @@
       "resolved": "https://registry.npmjs.org/pug-attrs/-/pug-attrs-2.0.4.tgz",
       "integrity": "sha512-TaZ4Z2TWUPDJcV3wjU3RtUXMrd3kM4Wzjbe3EWnSsZPsJ3LDI0F3yCnf2/W7PPFF+edUFQ0HgDL1IoxSz5K8EQ==",
       "requires": {
-        "constantinople": "3.1.2",
-        "js-stringify": "1.0.2",
-        "pug-runtime": "2.0.5"
+        "constantinople": "^3.0.1",
+        "js-stringify": "^1.0.1",
+        "pug-runtime": "^2.0.5"
       }
     },
     "pug-code-gen": {
@@ -551,14 +551,14 @@
       "resolved": "https://registry.npmjs.org/pug-code-gen/-/pug-code-gen-2.0.2.tgz",
       "integrity": "sha512-kROFWv/AHx/9CRgoGJeRSm+4mLWchbgpRzTEn8XCiwwOy6Vh0gAClS8Vh5TEJ9DBjaP8wCjS3J6HKsEsYdvaCw==",
       "requires": {
-        "constantinople": "3.1.2",
-        "doctypes": "1.1.0",
-        "js-stringify": "1.0.2",
-        "pug-attrs": "2.0.4",
-        "pug-error": "1.3.3",
-        "pug-runtime": "2.0.5",
-        "void-elements": "2.0.1",
-        "with": "5.1.1"
+        "constantinople": "^3.1.2",
+        "doctypes": "^1.1.0",
+        "js-stringify": "^1.0.1",
+        "pug-attrs": "^2.0.4",
+        "pug-error": "^1.3.3",
+        "pug-runtime": "^2.0.5",
+        "void-elements": "^2.0.1",
+        "with": "^5.0.0"
       }
     },
     "pug-error": {
@@ -571,13 +571,13 @@
       "resolved": "https://registry.npmjs.org/pug-filters/-/pug-filters-3.1.1.tgz",
       "integrity": "sha512-lFfjNyGEyVWC4BwX0WyvkoWLapI5xHSM3xZJFUhx4JM4XyyRdO8Aucc6pCygnqV2uSgJFaJWW3Ft1wCWSoQkQg==",
       "requires": {
-        "clean-css": "4.2.1",
-        "constantinople": "3.1.2",
+        "clean-css": "^4.1.11",
+        "constantinople": "^3.0.1",
         "jstransformer": "1.0.0",
-        "pug-error": "1.3.3",
-        "pug-walk": "1.1.8",
-        "resolve": "1.11.1",
-        "uglify-js": "2.8.29"
+        "pug-error": "^1.3.3",
+        "pug-walk": "^1.1.8",
+        "resolve": "^1.1.6",
+        "uglify-js": "^2.6.1"
       }
     },
     "pug-lexer": {
@@ -585,9 +585,9 @@
       "resolved": "https://registry.npmjs.org/pug-lexer/-/pug-lexer-4.1.0.tgz",
       "integrity": "sha512-i55yzEBtjm0mlplW4LoANq7k3S8gDdfC6+LThGEvsK4FuobcKfDAwt6V4jKPH9RtiE3a2Akfg5UpafZ1OksaPA==",
       "requires": {
-        "character-parser": "2.2.0",
-        "is-expression": "3.0.0",
-        "pug-error": "1.3.3"
+        "character-parser": "^2.1.1",
+        "is-expression": "^3.0.0",
+        "pug-error": "^1.3.3"
       }
     },
     "pug-linker": {
@@ -595,8 +595,8 @@
       "resolved": "https://registry.npmjs.org/pug-linker/-/pug-linker-3.0.6.tgz",
       "integrity": "sha512-bagfuHttfQOpANGy1Y6NJ+0mNb7dD2MswFG2ZKj22s8g0wVsojpRlqveEQHmgXXcfROB2RT6oqbPYr9EN2ZWzg==",
       "requires": {
-        "pug-error": "1.3.3",
-        "pug-walk": "1.1.8"
+        "pug-error": "^1.3.3",
+        "pug-walk": "^1.1.8"
       }
     },
     "pug-load": {
@@ -604,8 +604,8 @@
       "resolved": "https://registry.npmjs.org/pug-load/-/pug-load-2.0.12.tgz",
       "integrity": "sha512-UqpgGpyyXRYgJs/X60sE6SIf8UBsmcHYKNaOccyVLEuT6OPBIMo6xMPhoJnqtB3Q3BbO4Z3Bjz5qDsUWh4rXsg==",
       "requires": {
-        "object-assign": "4.1.1",
-        "pug-walk": "1.1.8"
+        "object-assign": "^4.1.0",
+        "pug-walk": "^1.1.8"
       }
     },
     "pug-parser": {
@@ -613,7 +613,7 @@
       "resolved": "https://registry.npmjs.org/pug-parser/-/pug-parser-5.0.1.tgz",
       "integrity": "sha512-nGHqK+w07p5/PsPIyzkTQfzlYfuqoiGjaoqHv1LjOv2ZLXmGX1O+4Vcvps+P4LhxZ3drYSljjq4b+Naid126wA==",
       "requires": {
-        "pug-error": "1.3.3",
+        "pug-error": "^1.3.3",
         "token-stream": "0.0.1"
       }
     },
@@ -627,7 +627,7 @@
       "resolved": "https://registry.npmjs.org/pug-strip-comments/-/pug-strip-comments-1.0.4.tgz",
       "integrity": "sha512-i5j/9CS4yFhSxHp5iKPHwigaig/VV9g+FgReLJWWHEHbvKsbqL0oP/K5ubuLco6Wu3Kan5p7u7qk8A4oLLh6vw==",
       "requires": {
-        "pug-error": "1.3.3"
+        "pug-error": "^1.3.3"
       }
     },
     "pug-walk": {
@@ -671,7 +671,7 @@
       "resolved": "https://registry.npmjs.org/resolve/-/resolve-1.11.1.tgz",
       "integrity": "sha512-vIpgF6wfuJOZI7KKKSP+HmiKggadPQAdsp5HiC1mvqnfp0gF1vdwgBWZIdrVft9pgqoMFQN+R7BSWZiBxx+BBw==",
       "requires": {
-        "path-parse": "1.0.6"
+        "path-parse": "^1.0.6"
       }
     },
     "right-align": {
@@ -679,7 +679,7 @@
       "resolved": "https://registry.npmjs.org/right-align/-/right-align-0.1.3.tgz",
       "integrity": "sha1-YTObci/mo1FWiSENJOFMlhSGE+8=",
       "requires": {
-        "align-text": "0.1.4"
+        "align-text": "^0.1.1"
       }
     },
     "safe-buffer": {
@@ -698,18 +698,18 @@
       "integrity": "sha512-BsVKsiGcQMFwT8UxypobUKyv7irCNRHk1T0G680vk88yf6LBByGcZJOTJCrTP2xVN6yI+XjPJcNuE3V4fT9sAg==",
       "requires": {
         "debug": "2.6.9",
-        "depd": "1.1.2",
-        "destroy": "1.0.4",
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "etag": "1.8.1",
+        "depd": "~1.1.2",
+        "destroy": "~1.0.4",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "etag": "~1.8.1",
         "fresh": "0.5.2",
-        "http-errors": "1.7.2",
+        "http-errors": "~1.7.2",
         "mime": "1.6.0",
         "ms": "2.1.1",
-        "on-finished": "2.3.0",
-        "range-parser": "1.2.1",
-        "statuses": "1.5.0"
+        "on-finished": "~2.3.0",
+        "range-parser": "~1.2.1",
+        "statuses": "~1.5.0"
       },
       "dependencies": {
         "ms": {
@@ -724,9 +724,9 @@
       "resolved": "https://registry.npmjs.org/serve-static/-/serve-static-1.14.1.tgz",
       "integrity": "sha512-JMrvUwE54emCYWlTI+hGrGv5I8dEwmco/00EvkzIIsR7MqrHonbD9pO2MOfFnpFntl7ecpZs+3mW+XbQZu9QCg==",
       "requires": {
-        "encodeurl": "1.0.2",
-        "escape-html": "1.0.3",
-        "parseurl": "1.3.3",
+        "encodeurl": "~1.0.2",
+        "escape-html": "~1.0.3",
+        "parseurl": "~1.3.3",
         "send": "0.17.1"
       }
     },
@@ -766,7 +766,7 @@
       "integrity": "sha512-TkRKr9sUTxEH8MdfuCSP7VizJyzRNMjj2J2do2Jr3Kym598JVdEksuzPQCnlFPW4ky9Q+iA+ma9BGm06XQBy8g==",
       "requires": {
         "media-typer": "0.3.0",
-        "mime-types": "2.1.24"
+        "mime-types": "~2.1.24"
       }
     },
     "uglify-js": {
@@ -774,9 +774,9 @@
       "resolved": "https://registry.npmjs.org/uglify-js/-/uglify-js-2.8.29.tgz",
       "integrity": "sha1-KcVzMUgFe7Th913zW3qcty5qWd0=",
       "requires": {
-        "source-map": "0.5.7",
-        "uglify-to-browserify": "1.0.2",
-        "yargs": "3.10.0"
+        "source-map": "~0.5.1",
+        "uglify-to-browserify": "~1.0.0",
+        "yargs": "~3.10.0"
       },
       "dependencies": {
         "source-map": {
@@ -822,8 +822,8 @@
       "resolved": "https://registry.npmjs.org/with/-/with-5.1.1.tgz",
       "integrity": "sha1-+k2qktrzLE6pTtRTyB8EaGtXXf4=",
       "requires": {
-        "acorn": "3.3.0",
-        "acorn-globals": "3.1.0"
+        "acorn": "^3.1.0",
+        "acorn-globals": "^3.0.0"
       }
     },
     "wordwrap": {
@@ -836,9 +836,9 @@
       "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
       "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
       "requires": {
-        "camelcase": "1.2.1",
-        "cliui": "2.1.0",
-        "decamelize": "1.2.0",
+        "camelcase": "^1.0.2",
+        "cliui": "^2.1.0",
+        "decamelize": "^1.0.0",
         "window-size": "0.1.0"
       }
     }
diff --git a/pacman.html b/pacman.html
index 31fab46..0890e51 100644
--- a/pacman.html
+++ b/pacman.html
@@ -1,26 +1,96 @@
 <html>
 <SCRIPT>
-	var flag = 0;
-	var pos = 0;
-
-	function Run() {
-		let img = document.getElementById("PacMan");
-		pos += 20;
-		img.style.left = pos + "px";
-		// Can you find a better way to do this flip/flop of images 
-		if (flag === 1) {
-			img.src = "PacMan2.png";
-			flag = 0;
-		} else {
-			img.src = "PacMan1.png";
-			flag = 1;
+   //var bocaAbierta = new Boolean(true);
+	var tamano = tamVentana();
+	var topGlobal = 0;
+
+	
+	function load() {
+		let img1 = document.getElementById("PacMan");
+		Run(img1,"right",true,0,20,0	);
+		
+
+      }
+      window.onload = load;
+
+    function Run(img,direction,bocaAbierta,pos,speed,contador) {
+		
+		if (direction == "right"){
+            pos += speed;
+			
+            if (bocaAbierta){
+                img.src = "PacMan1.png";
+            }else{
+                img.src = "PacMan2.png";
+            }
+			if (pos > tamano){
+				direction = "left";
+			}
+
+        }else{
+            pos -= speed;
+            if (bocaAbierta){
+                img.src = "PacMan3.png";
+            }else{
+                img.src = "PacMan4.png";
+            }
+			if (pos < 0){
+				direction = "right";
+			}
+        }
+        bocaAbierta = !bocaAbierta;
+		
+        img.style.left = pos + "px";
+
+   		if (contador == 10){ //al cabo de 10 pases creamos más pacmans
+			crearPacman(img,pos,speed);
 		}
-		// Can you automate movement with setTimeout( ????, 100 );
+		contador++;
+        // Can you automate movement with setTimeout( ????, 100 );
+		setTimeout(Run, 100, img, direction,bocaAbierta,pos,speed,contador);
+    }
+
+	function crearPacman(img,pos,speed){
+			var img2 = document.createElement('img'); // Uso DOM HTMLImageElement
+		img2.height = img.height * 9/10;
+		img2.width = img.width   * 9/10;
+		img2.style.left = "0px";
+		topGlobal += 100;
+		img2.style.top = topGlobal + "px";
+		img2.style.position = "absolute";
+		img2.src = img.src;
+		document.body.appendChild(img2);
+		speed++;
+		setTimeout(Run, 100, img2,"right",true,pos,speed,0);
 	}
+
+	function tamVentana() {
+		var tam = [0, 0];
+		if (typeof window.innerWidth != 'undefined')
+		{
+			tam = [window.innerWidth,window.innerHeight];
+		}
+		else if (typeof document.documentElement != 'undefined'
+			&& typeof document.documentElement.clientWidth !=
+			'undefined' && document.documentElement.clientWidth != 0)
+		{
+			tam = [
+				document.documentElement.clientWidth,
+				document.documentElement.clientHeight
+			];
+		}
+		else   {
+			tam = [
+				document.getElementsByTagName('body')[0].clientWidth,
+				document.getElementsByTagName('body')[0].clientHeight
+			];
+		}
+		return parseFloat(tam);
+		}
 </SCRIPT>
 
 <body>
-	<img id="PacMan" src="PacMan1.png" width='200' onclick="Run()" style="position:absolute"> </img>
-</body>
+	<img id="PacMan" src="PacMan1.png" width='200' onclick="Run(this)" style="position:absolute"> </img>
+	</body>
 
-</html>
\ No newline at end of file
+</html>