diff --git a/package.json b/package.json
index 7254809..b494b4b 100644
--- a/package.json
+++ b/package.json
@@ -10,7 +10,7 @@
     "start": "node server.js"
   },
   "dependencies": {
-    "express": "^4.16.4"
+    "express": "^4.17.1"
   },
   "engines": {
     "node": "8.x"
@@ -24,4 +24,4 @@
     "glitch",
     "express"
   ]
-}
+}
\ No newline at end of file
diff --git a/shrinkwrap.yaml b/shrinkwrap.yaml
index 5eb8ca5..64625d4 100644
--- a/shrinkwrap.yaml
+++ b/shrinkwrap.yaml
@@ -1,48 +1,50 @@
 dependencies:
-  express: 4.16.4
+  express: 4.17.1
 packages:
-  /accepts/1.3.5:
+  /accepts/1.3.7:
     dependencies:
-      mime-types: 2.1.21
-      negotiator: 0.6.1
+      mime-types: 2.1.25
+      negotiator: 0.6.2
     dev: false
     engines:
       node: '>= 0.6'
     resolution:
-      integrity: sha1-63d99gEXI6OxTopywIBcjoZ0a9I=
+      integrity: sha512-Il80Qs2WjYlJIBNzNkK6KYqlVMTbZLXgHx2oT0pU/fjRHyEp+PEfEPY0R3WCwAGVOtauxh1hOxNgIf5bv7dQpA==
   /array-flatten/1.1.1:
     dev: false
     resolution:
       integrity: sha1-ml9pkFGx5wczKPKgCJaLZOopVdI=
-  /body-parser/1.18.3:
+  /body-parser/1.19.0:
     dependencies:
-      bytes: 3.0.0
+      bytes: 3.1.0
       content-type: 1.0.4
       debug: 2.6.9
       depd: 1.1.2
-      http-errors: 1.6.3
-      iconv-lite: 0.4.23
+      http-errors: 1.7.2
+      iconv-lite: 0.4.24
       on-finished: 2.3.0
-      qs: 6.5.2
-      raw-body: 2.3.3
-      type-is: 1.6.16
+      qs: 6.7.0
+      raw-body: 2.4.0
+      type-is: 1.6.18
     dev: false
     engines:
       node: '>= 0.8'
     resolution:
-      integrity: sha1-WykhmP/dVTs6DyDe0FkrlWlVyLQ=
-  /bytes/3.0.0:
+      integrity: sha512-dhEPs72UPbDnAQJ9ZKMNTP6ptJaionhP5cBb541nXPlW60Jepo9RV/a4fX4XWW9CuFNK22krhrj1+rgzifNCsw==
+  /bytes/3.1.0:
     dev: false
     engines:
       node: '>= 0.8'
     resolution:
-      integrity: sha1-0ygVQE1olpn4Wk6k+odV3ROpYEg=
-  /content-disposition/0.5.2:
+      integrity: sha512-zauLjrfCG+xvoyaqLoV8bLVXXNGC4JqlxFCutSDWA6fJrTo2ZuvLYTqZ7aHBLZSMOopbzwv8f+wZcVzfVTI2Dg==
+  /content-disposition/0.5.3:
+    dependencies:
+      safe-buffer: 5.1.2
     dev: false
     engines:
       node: '>= 0.6'
     resolution:
-      integrity: sha1-DPaLud318r55YcOoUXjLhdunjLQ=
+      integrity: sha512-ExO0774ikEObIAEV9kDo50o+79VCUdEB6n6lzKgGwupcVeRlhrj3qGAfwq8G6uBJjkqLrhT0qEYFcWng8z1z0g==
   /content-type/1.0.4:
     dev: false
     engines:
@@ -53,12 +55,12 @@ packages:
     dev: false
     resolution:
       integrity: sha1-4wOogrNCzD7oylE6eZmXNNqzriw=
-  /cookie/0.3.1:
+  /cookie/0.4.0:
     dev: false
     engines:
       node: '>= 0.6'
     resolution:
-      integrity: sha1-5+Ch+e9DtMi6klxcWpboBtFoc7s=
+      integrity: sha512-+Hp8fLp57wnUSt0tY0tHEXh4voZRDnoIrZPqlo3DPiI4y9lwg/jqx+1Om94/W6ZaPDOUbnjOt/99w66zk+l1Xg==
   /debug/2.6.9:
     dependencies:
       ms: 2.0.0
@@ -95,57 +97,57 @@ packages:
       node: '>= 0.6'
     resolution:
       integrity: sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
-  /express/4.16.4:
+  /express/4.17.1:
     dependencies:
-      accepts: 1.3.5
+      accepts: 1.3.7
       array-flatten: 1.1.1
-      body-parser: 1.18.3
-      content-disposition: 0.5.2
+      body-parser: 1.19.0
+      content-disposition: 0.5.3
       content-type: 1.0.4
-      cookie: 0.3.1
+      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: 1.1.1
+      finalhandler: 1.1.2
       fresh: 0.5.2
       merge-descriptors: 1.0.1
       methods: 1.1.2
       on-finished: 2.3.0
-      parseurl: 1.3.2
+      parseurl: 1.3.3
       path-to-regexp: 0.1.7
-      proxy-addr: 2.0.4
-      qs: 6.5.2
-      range-parser: 1.2.0
+      proxy-addr: 2.0.5
+      qs: 6.7.0
+      range-parser: 1.2.1
       safe-buffer: 5.1.2
-      send: 0.16.2
-      serve-static: 1.13.2
-      setprototypeof: 1.1.0
-      statuses: 1.4.0
-      type-is: 1.6.16
+      send: 0.17.1
+      serve-static: 1.14.1
+      setprototypeof: 1.1.1
+      statuses: 1.5.0
+      type-is: 1.6.18
       utils-merge: 1.0.1
       vary: 1.1.2
     dev: false
     engines:
       node: '>= 0.10.0'
     resolution:
-      integrity: sha512-j12Uuyb4FMrd/qQAm6uCHAkPtO8FDTRJZBDd5D2KOL2eLaz1yUNdUB/NOIyq0iU4q4cFarsUCrnFDPBcnksuOg==
-  /finalhandler/1.1.1:
+      integrity: sha512-mHJ9O79RqluphRrcw2X/GTh3k9tVv8YcoyY4Kkh4WDMUYKRZUq0h1o0w2rrrxBqM7VoeUVqgb27xlEMXTnYt4g==
+  /finalhandler/1.1.2:
     dependencies:
       debug: 2.6.9
       encodeurl: 1.0.2
       escape-html: 1.0.3
       on-finished: 2.3.0
-      parseurl: 1.3.2
-      statuses: 1.4.0
+      parseurl: 1.3.3
+      statuses: 1.5.0
       unpipe: 1.0.0
     dev: false
     engines:
       node: '>= 0.8'
     resolution:
-      integrity: sha512-Y1GUDo39ez4aHAw7MysnUD5JzYX+WaIj8I57kO3aEPT1fFRL4sr7mjei97FgnwhAyyzRYmQZaTHb2+9uZ1dPtg==
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   /forwarded/0.1.2:
     dev: false
     engines:
@@ -158,35 +160,52 @@ packages:
       node: '>= 0.6'
     resolution:
       integrity: sha1-PYyt2Q2XZWn6g1qx+OSyOhBWBac=
-  /http-errors/1.6.3:
+  /http-errors/1.7.2:
     dependencies:
       depd: 1.1.2
       inherits: 2.0.3
-      setprototypeof: 1.1.0
+      setprototypeof: 1.1.1
       statuses: 1.5.0
+      toidentifier: 1.0.0
     dev: false
     engines:
       node: '>= 0.6'
     resolution:
-      integrity: sha1-i1VoC7S+KDoLW/TqLjhYC+HZMg0=
-  /iconv-lite/0.4.23:
+      integrity: sha512-uUQBt3H/cSIVfch6i1EuPNy/YsRSOUBXTVfZ+yR7Zjez3qjBz6i9+i4zjNaoqcoFVI4lQJ5plg63TvGfRSDCRg==
+  /http-errors/1.7.3:
+    dependencies:
+      depd: 1.1.2
+      inherits: 2.0.4
+      setprototypeof: 1.1.1
+      statuses: 1.5.0
+      toidentifier: 1.0.0
+    dev: false
+    engines:
+      node: '>= 0.6'
+    resolution:
+      integrity: sha512-ZTTX0MWrsQ2ZAhA1cejAwDLycFsd7I7nVtnkT3Ol0aqodaKW+0CTZDQ1uBv5whptCnc8e8HeRRJxRs0kmm/Qfw==
+  /iconv-lite/0.4.24:
     dependencies:
       safer-buffer: 2.1.2
     dev: false
     engines:
       node: '>=0.10.0'
     resolution:
-      integrity: sha512-neyTUVFtahjf0mB3dZT77u+8O0QB89jFdnBkd5P1JgYPbPaia3gXXOVL2fq8VyU2gMMD7SaN7QukTB/pmXYvDA==
+      integrity: sha512-v3MXnZAcvnywkTUEZomIActle7RXXeedOR31wwl7VlyoXO4Qi9arvSenNQWne1TcRwhCL1HwLI21bEqdpj8/rA==
   /inherits/2.0.3:
     dev: false
     resolution:
       integrity: sha1-Yzwsg+PaQqUC9SRmAiSA9CCCYd4=
-  /ipaddr.js/1.8.0:
+  /inherits/2.0.4:
+    dev: false
+    resolution:
+      integrity: sha512-k/vGaX4/Yla3WzyMCvTQOXYeIHvqOKtnqBduzTHpzpQZzAskKMhZ2K+EnBiSM9zGSoIFeMpXKxa4dYeZIQqewQ==
+  /ipaddr.js/1.9.0:
     dev: false
     engines:
       node: '>= 0.10'
     resolution:
-      integrity: sha1-6qM9bd16zo9/b+DJygRA5wZzix4=
+      integrity: sha512-M4Sjn6N/+O6/IXSJseKqHoFc+5FdGJ22sXqnjTpdZweHK64MzEPAyQZyEU3R/KRv2GLoa7nNtg/C2Ev6m7z+eA==
   /media-typer/0.3.0:
     dev: false
     engines:
@@ -203,35 +222,41 @@ packages:
       node: '>= 0.6'
     resolution:
       integrity: sha1-VSmk1nZUE07cxSZmVoNbD4Ua/O4=
-  /mime-db/1.37.0:
+  /mime-db/1.42.0:
     dev: false
     engines:
       node: '>= 0.6'
     resolution:
-      integrity: sha512-R3C4db6bgQhlIhPU48fUtdVmKnflq+hRdad7IyKhtFj06VPNVdk2RhiYL3UjQIlso8L+YxAtFkobT0VK+S/ybg==
-  /mime-types/2.1.21:
+      integrity: sha512-UbfJCR4UAVRNgMpfImz05smAXK7+c+ZntjaA26ANtkXLlOe947Aag5zdIcKQULAiF9Cq4WxBi9jUs5zkA84bYQ==
+  /mime-types/2.1.25:
     dependencies:
-      mime-db: 1.37.0
+      mime-db: 1.42.0
     dev: false
     engines:
       node: '>= 0.6'
     resolution:
-      integrity: sha512-3iL6DbwpyLzjR3xHSFNFeb9Nz/M8WDkX33t1GFQnFOllWk8pOrh/LSrB5OXlnlW5P9LH73X6loW/eogc+F5lJg==
-  /mime/1.4.1:
+      integrity: sha512-5KhStqB5xpTAeGqKBAMgwaYMnQik7teQN4IAzC7npDv6kzeU6prfkR67bc87J1kWMPGkoaZSq1npmexMgkmEVg==
+  /mime/1.6.0:
     dev: false
+    engines:
+      node: '>=4'
     hasBin: true
     resolution:
-      integrity: sha512-KI1+qOZu5DcW6wayYHSzR/tXKCDC5Om4s1z2QJjDULzLcmf3DvzS7oluY4HCTrc+9FiKmWUgeNLg7W3uIQvxtQ==
+      integrity: sha512-x0Vn8spI+wuJ1O6S7gnbaQg8Pxh4NNHb7KSINmEWKiPE4RKOplvijn+NkmYmmRgP68mc70j2EbeTFRsrswaQeg==
   /ms/2.0.0:
     dev: false
     resolution:
       integrity: sha1-VgiurfwAvmwpAd9fmGF4jeDVl8g=
-  /negotiator/0.6.1:
+  /ms/2.1.1:
+    dev: false
+    resolution:
+      integrity: sha512-tgp+dl5cGk28utYktBsrFqA7HKgrhgPsg6Z/EfhWI4gl1Hwq8B/GmY/0oXZ6nF8hDVesS/FpnYaD/kOWhYQvyg==
+  /negotiator/0.6.2:
     dev: false
     engines:
       node: '>= 0.6'
     resolution:
-      integrity: sha1-KzJxhOiZIQEXeyhWP7XnECrNDKk=
+      integrity: sha512-hZXc7K2e+PgeI1eDBe/10Ard4ekbfrrqG8Ep+8Jmf4JID2bNg7NvCPOZN+kfF574pFQI7mum2AUqDidoKqcTOw==
   /on-finished/2.3.0:
     dependencies:
       ee-first: 1.1.1
@@ -240,48 +265,48 @@ packages:
       node: '>= 0.8'
     resolution:
       integrity: sha1-IPEzZIGwg811M3mSoWlxqi2QaUc=
-  /parseurl/1.3.2:
+  /parseurl/1.3.3:
     dev: false
     engines:
       node: '>= 0.8'
     resolution:
-      integrity: sha1-/CidTtiZMRlGDBViUyYs3I3mW/M=
+      integrity: sha512-CiyeOxFT/JZyN5m0z9PfXw4SCBJ6Sygz1Dpl0wqjlhDEGGBP1GnsUVEL0p63hoG1fcj3fHynXi9NYO4nWOL+qQ==
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     dev: false
     resolution:
       integrity: sha1-32BBeABfUi8V60SQ5yR6G/qmf4w=
-  /proxy-addr/2.0.4:
+  /proxy-addr/2.0.5:
     dependencies:
       forwarded: 0.1.2
-      ipaddr.js: 1.8.0
+      ipaddr.js: 1.9.0
     dev: false
     engines:
       node: '>= 0.10'
     resolution:
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-  /qs/6.5.2:
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     engines:
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-  /range-parser/1.2.0:
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+  /range-parser/1.2.1:
     dev: false
     engines:
       node: '>= 0.6'
     resolution:
-      integrity: sha1-9JvmtIeJTdxA3MlKMi9hEJLgDV4=
-  /raw-body/2.3.3:
+      integrity: sha512-Hrgsx+orqoygnmhFbKaHE6c296J+HTAQXoxEF6gNupROmmGJRoyzfG3ccAveqCBrwr/2yxQ5BVd/GTl5agOwSg==
+  /raw-body/2.4.0:
     dependencies:
-      bytes: 3.0.0
-      http-errors: 1.6.3
-      iconv-lite: 0.4.23
+      bytes: 3.1.0
+      http-errors: 1.7.2
+      iconv-lite: 0.4.24
       unpipe: 1.0.0
     dev: false
     engines:
       node: '>= 0.8'
     resolution:
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   /safe-buffer/5.1.2:
     dev: false
     resolution:
@@ -290,7 +315,7 @@ packages:
     dev: false
     resolution:
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-  /send/0.16.2:
+  /send/0.17.1:
     dependencies:
       debug: 2.6.9
       depd: 1.1.2
@@ -299,53 +324,53 @@ packages:
       escape-html: 1.0.3
       etag: 1.8.1
       fresh: 0.5.2
-      http-errors: 1.6.3
-      mime: 1.4.1
-      ms: 2.0.0
+      http-errors: 1.7.3
+      mime: 1.6.0
+      ms: 2.1.1
       on-finished: 2.3.0
-      range-parser: 1.2.0
-      statuses: 1.4.0
+      range-parser: 1.2.1
+      statuses: 1.5.0
     dev: false
     engines:
       node: '>= 0.8.0'
     resolution:
-      integrity: sha512-E64YFPUssFHEFBvpbbjr44NCLtI1AohxQ8ZSiJjQLskAdKuriYEP6VyGEsRDH8ScozGpkaX1BGvhanqCwkcEZw==
-  /serve-static/1.13.2:
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+  /serve-static/1.14.1:
     dependencies:
       encodeurl: 1.0.2
       escape-html: 1.0.3
-      parseurl: 1.3.2
-      send: 0.16.2
+      parseurl: 1.3.3
+      send: 0.17.1
     dev: false
     engines:
       node: '>= 0.8.0'
     resolution:
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-  /setprototypeof/1.1.0:
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+  /setprototypeof/1.1.1:
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-    engines:
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-    resolution:
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     engines:
       node: '>= 0.6'
     resolution:
       integrity: sha1-Fhx9rBd2Wf2YEfQ3cfqZOBR4Yow=
-  /type-is/1.6.16:
+  /toidentifier/1.0.0:
+    dev: false
+    engines:
+      node: '>=0.6'
+    resolution:
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+  /type-is/1.6.18:
     dependencies:
       media-typer: 0.3.0
-      mime-types: 2.1.21
+      mime-types: 2.1.25
     dev: false
     engines:
       node: '>= 0.6'
     resolution:
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   /unpipe/1.0.0:
     dev: false
     engines:
@@ -368,4 +393,4 @@ registry: 'https://registry.npmjs.org/'
 shrinkwrapMinorVersion: 9
 shrinkwrapVersion: 3
 specifiers:
-  express: ^4.16.4
+  express: ^4.17.1