diff --git a/Pipfile.lock b/Pipfile.lock
index fc66485..ef00681 100644
--- a/Pipfile.lock
+++ b/Pipfile.lock
@@ -18,32 +18,31 @@
     "default": {
         "certifi": {
             "hashes": [
-                "sha256:376690d6f16d32f9d1fe8932551d80b23e9d393a8578c5633a2ed39a64861638",
-                "sha256:456048c7e371c089d0a77a5212fb37a2c2dce1e24146e3b7e0261736aaeaa22a"
+                "sha256:1a4995114262bffbc2413b159f2a1a480c969de6e6eb13ee966d470af86af59c",
+                "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830"
             ],
-            "version": "==2018.8.24"
+            "version": "==2020.12.5"
         },
         "chardet": {
             "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+                "sha256:0d6f53a15db4120f2b08c94f11e7d93d2c911ee118b6b30a04ec3ee8310179fa",
+                "sha256:f864054d66fd9118f2e67044ac8981a54775ec5b67aed0441892edb553d21da5"
             ],
-            "version": "==3.0.4"
+            "version": "==4.0.0"
         },
         "docutils": {
             "hashes": [
-                "sha256:02aec4bd92ab067f6ff27a38a38a41173bf01bed8f89157768c1573f53e474a6",
-                "sha256:51e64ef2ebfb29cae1faa133b3710143496eca21c530f3f71424d77687764274",
-                "sha256:7a4bd47eaf6596e1295ecb11361139febe29b084a87bf005bf899f9a42edc3c6"
+                "sha256:686577d2e4c32380bb50cbb22f575ed742d58168cee37e99117a854bcd88f125",
+                "sha256:cf316c8370a737a022b72b56874f6602acf974a37a9fba42ec2876387549fc61"
             ],
-            "version": "==0.14"
+            "version": "==0.17.1"
         },
         "idna": {
             "hashes": [
-                "sha256:156a6814fb5ac1fc6850fb002e0852d56c0c8d2531923a51032d1b70760e186e",
-                "sha256:684a38a6f903c1d71d6d5fac066b58d7768af4de2b832e426ec79c30daa94a16"
+                "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
+                "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
             ],
-            "version": "==2.7"
+            "version": "==2.10"
         },
         "kivy": {
             "hashes": [
@@ -66,7 +65,6 @@
         },
         "kivy-garden": {
             "hashes": [
-                "sha256:9b7d9de5efacbcd0c4b3dd873b30622a86093c9965aa47b523c7a32f3eb34610",
                 "sha256:c256f42788421273a08fbb0a228f0fb0e80dd86b629fb8c0920507f645be6c72"
             ],
             "version": "==0.1.4"
@@ -78,84 +76,108 @@
         },
         "mpmath": {
             "hashes": [
-                "sha256:04d14803b6875fe6d69e6dccea87d5ae5599802e4b1df7997bddd2024001050c"
+                "sha256:604bc21bd22d2322a177c73bdb573994ef76e62edd595d17e00aff24b0667e5c",
+                "sha256:79ffb45cf9f4b101a807595bcb3e72e0396202e0b1d25d689134b48c4216a81a"
             ],
-            "version": "==1.0.0"
+            "version": "==1.2.1"
         },
         "numeral": {
             "hashes": [
-                "sha256:33e004e30ebae5f8a32d74ff4e4c0b4f95f001885a03b52376870596d310660c"
+                "sha256:7dff0c1efb9b3655c9c1dc93b4666993741b15abcac0dc01dcb96b21cc20f6ae"
             ],
-            "version": "==0.1.0.11"
+            "version": "==0.1.0.17"
         },
         "numpy": {
             "hashes": [
-                "sha256:1b1cf8f7300cf7b11ddb4250b3898c711a6187df05341b5b7153db23ffe5d498",
-                "sha256:27a0d018f608a3fe34ac5e2b876f4c23c47e38295c47dd0775cc294cd2614bc1",
-                "sha256:3fde172e28c899580d32dc21cb6d4a1225d62362f61050b654545c662eac215a",
-                "sha256:497d7c86df4f85eb03b7f58a7dd0f8b948b1f582e77629341f624ba301b4d204",
-                "sha256:4e28e66cf80c09a628ae680efeb0aa9a066eb4bb7db2a5669024c5b034891576",
-                "sha256:58be95faf0ca2d886b5b337e7cba2923e3ad1224b806a91223ea39f1e0c77d03",
-                "sha256:5b4dfb6551eaeaf532054e2c6ef4b19c449c2e3a709ebdde6392acb1372ecabc",
-                "sha256:63f833a7c622e9082df3cbaf03b4fd92d7e0c11e2f9d87cb57dbf0e84441964b",
-                "sha256:71bf3b7ca15b1967bba3a1ef6a8e87286382a8b5e46ac76b42a02fe787c5237d",
-                "sha256:733dc5d47e71236263837825b69c975bc08728ae638452b34aeb1d6fa347b780",
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-                "sha256:866bf72b9c3bfabe4476d866c70ee1714ad3e2f7b7048bb934892335e7b6b1f7",
-                "sha256:8aeac8b08f4b8c52129518efcd93706bb6d506ccd17830b67d18d0227cf32d9e",
-                "sha256:8d2cfb0aef7ec8759736cce26946efa084cdf49797712333539ef7d135e0295e",
-                "sha256:981224224bbf44d95278eb37996162e8beb6f144d2719b144e86dfe2fce6c510",
-                "sha256:981daff58fa3985a26daa4faa2b726c4e7a1d45178100125c0e1fdaf2ac64978",
-                "sha256:9ad36dbfdbb0cba90a08e7343fadf86f43cf6d87450e8d2b5d71d7c7202907e4",
-                "sha256:a251570bb3cb04f1627f23c234ad09af0e54fc8194e026cf46178f2e5748d647",
-                "sha256:b5ff7dae352fd9e1edddad1348698e9fea14064460a7e39121ef9526745802e6",
-                "sha256:c898f9cca806102fcacb6309899743aa39efb2ad2a302f4c319f54db9f05cd84",
-                "sha256:cf4b970042ce148ad8dce4369c02a4078b382dadf20067ce2629c239d76460d1",
-                "sha256:d1569013e8cc8f37e9769d19effdd85e404c976cd0ca28a94e3ddc026c216ae8",
-                "sha256:dca261e85fe0d34b2c242ecb31c9ab693509af2cf955d9caf01ee3ef3669abd0",
-                "sha256:ec8bf53ef7c92c99340972519adbe122e82c81d5b87cbd955c74ba8a8cd2a4ad",
-                "sha256:f2e55726a9ee2e8129d6ce6abb466304868051bcc7a09d652b3b07cd86e801a2",
-                "sha256:f4dee74f2626c783a3804df9191e9008946a104d5a284e52427a53ff576423cb",
-                "sha256:f592fd7fe1f20b5041928cce1330937eca62f9058cb41e69c2c2d83cffc0d1e3",
-                "sha256:ffab5b80bba8c86251291b8ce2e6c99a61446459d4c6637f5d5cc8c9ce37c972"
-            ],
-            "version": "==1.15.2"
+                "sha256:012426a41bc9ab63bb158635aecccc7610e3eff5d31d1eb43bc099debc979d94",
+                "sha256:06fab248a088e439402141ea04f0fffb203723148f6ee791e9c75b3e9e82f080",
+                "sha256:0eef32ca3132a48e43f6a0f5a82cb508f22ce5a3d6f67a8329c81c8e226d3f6e",
+                "sha256:1ded4fce9cfaaf24e7a0ab51b7a87be9038ea1ace7f34b841fe3b6894c721d1c",
+                "sha256:2e55195bc1c6b705bfd8ad6f288b38b11b1af32f3c8289d6c50d47f950c12e76",
+                "sha256:2ea52bd92ab9f768cc64a4c3ef8f4b2580a17af0a5436f6126b08efbd1838371",
+                "sha256:36674959eed6957e61f11c912f71e78857a8d0604171dfd9ce9ad5cbf41c511c",
+                "sha256:384ec0463d1c2671170901994aeb6dce126de0a95ccc3976c43b0038a37329c2",
+                "sha256:39b70c19ec771805081578cc936bbe95336798b7edf4732ed102e7a43ec5c07a",
+                "sha256:400580cbd3cff6ffa6293df2278c75aef2d58d8d93d3c5614cd67981dae68ceb",
+                "sha256:43d4c81d5ffdff6bae58d66a3cd7f54a7acd9a0e7b18d97abb255defc09e3140",
+                "sha256:50a4a0ad0111cc1b71fa32dedd05fa239f7fb5a43a40663269bb5dc7877cfd28",
+                "sha256:603aa0706be710eea8884af807b1b3bc9fb2e49b9f4da439e76000f3b3c6ff0f",
+                "sha256:6149a185cece5ee78d1d196938b2a8f9d09f5a5ebfbba66969302a778d5ddd1d",
+                "sha256:759e4095edc3c1b3ac031f34d9459fa781777a93ccc633a472a5468587a190ff",
+                "sha256:7fb43004bce0ca31d8f13a6eb5e943fa73371381e53f7074ed21a4cb786c32f8",
+                "sha256:811daee36a58dc79cf3d8bdd4a490e4277d0e4b7d103a001a4e73ddb48e7e6aa",
+                "sha256:8b5e972b43c8fc27d56550b4120fe6257fdc15f9301914380b27f74856299fea",
+                "sha256:99abf4f353c3d1a0c7a5f27699482c987cf663b1eac20db59b8c7b061eabd7fc",
+                "sha256:a0d53e51a6cb6f0d9082decb7a4cb6dfb33055308c4c44f53103c073f649af73",
+                "sha256:a12ff4c8ddfee61f90a1633a4c4afd3f7bcb32b11c52026c92a12e1325922d0d",
+                "sha256:a4646724fba402aa7504cd48b4b50e783296b5e10a524c7a6da62e4a8ac9698d",
+                "sha256:a76f502430dd98d7546e1ea2250a7360c065a5fdea52b2dffe8ae7180909b6f4",
+                "sha256:a9d17f2be3b427fbb2bce61e596cf555d6f8a56c222bd2ca148baeeb5e5c783c",
+                "sha256:ab83f24d5c52d60dbc8cd0528759532736b56db58adaa7b5f1f76ad551416a1e",
+                "sha256:aeb9ed923be74e659984e321f609b9ba54a48354bfd168d21a2b072ed1e833ea",
+                "sha256:c843b3f50d1ab7361ca4f0b3639bf691569493a56808a0b0c54a051d260b7dbd",
+                "sha256:cae865b1cae1ec2663d8ea56ef6ff185bad091a5e33ebbadd98de2cfa3fa668f",
+                "sha256:cc6bd4fd593cb261332568485e20a0712883cf631f6f5e8e86a52caa8b2b50ff",
+                "sha256:cf2402002d3d9f91c8b01e66fbb436a4ed01c6498fffed0e4c7566da1d40ee1e",
+                "sha256:d051ec1c64b85ecc69531e1137bb9751c6830772ee5c1c426dbcfe98ef5788d7",
+                "sha256:d6631f2e867676b13026e2846180e2c13c1e11289d67da08d71cacb2cd93d4aa",
+                "sha256:dbd18bcf4889b720ba13a27ec2f2aac1981bd41203b3a3b27ba7a33f88ae4827",
+                "sha256:df609c82f18c5b9f6cb97271f03315ff0dbe481a2a02e56aeb1b1a985ce38e60"
+            ],
+            "version": "==1.19.5"
         },
         "pygame": {
             "hashes": [
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-                "sha256:6d4966eeba652df2fd9a757b3fc5b29b578b47b58f991ad714471661ea2141cb",
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-                "sha256:73f4c28e894e76797b8ccaf6eb1205b433efdb803c70f489ebc3db6ac9c097e6",
-                "sha256:786eca2bea11abd924f3f67eb2483bcb22acff08f28dbdbf67130abe54b23797",
-                "sha256:7bcf586a1c51a735361ca03561979eea3180de45e6165bcdfa12878b752544af",
-                "sha256:82a1e93d82c1babceeb278c55012a9f5140e77665d372a6d97ec67786856d254",
-                "sha256:9e03589bc80a21ae951fca7659a767b7cac668289937e3756c0ab3d753cf6d24",
-                "sha256:aa8926a4e34fb0943abe1a8bb04a0ad82265341bf20064c0862db0a521100dfc",
-                "sha256:aa90689b889c417d2ac571ef2bbb5f7e735ae30c7553c60fae7508404f46c101",
-                "sha256:c9f8cdefee267a2e690bf17d61a8f5670b620f25a981f24781b034363a8eedc9",
-                "sha256:d9177afb2f46103bfc28a51fbc49ce18987a857e5c934db47b4a7030cb30fbd0",
-                "sha256:deb0551d4bbfb8131e2463a7fe1943bfcec5beb11acdf9c4bfa27fa5a9758d62",
-                "sha256:e7edfe57a5972aa9130ce9a186020a0f097e7a8e4c25e292109bdae1432b77f9",
-                "sha256:f0ad32efb9e26160645d62ba6cf3e5a5828dc4e82e8f41f9badfe7b685b07295"
-            ],
-            "version": "==1.9.4"
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+                "sha256:10ca736eecedadf492ba1191f9fa3a5e6f30db2b9f8882b3ee7706d5a89c14e0",
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+                "sha256:328d70d40bc9a6defb9f330f5e7f3d0726af1e7c2308ebca582e69480db2950d",
+                "sha256:3b31d088129977885f72037c55cfa1140e9bcf3468e68b46141f6cc2b33d456b",
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+                "sha256:4d3135a1f8c76c3fff1ef8b7a51e4c6523748e9bdbd7bca6daa69790ce0e798a",
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+                "sha256:9de559462aaa68c40bb7625dcd587584b4eb85c4208528dc97b9ee7254945294",
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+                "sha256:9fd0691c4fe58b932674bb6a91d2808790e8269c3183ef16052f13e1c602ac00",
+                "sha256:a4e35d89b6754941e82df1ce980a1c370943d3c076938d94ed1e48165dd6a11b",
+                "sha256:ad230911d61f448c09886d3c92b2eae44ca7530babe9c48e74e02a0622ce2d34",
+                "sha256:b812285d23b5644c643a6ae30553a772f935f47f61826660b108b8727936384b",
+                "sha256:bf833c853a0568738ee5d88e1345c17bf3e8db626c36fb895327a35bb1827b0b",
+                "sha256:c188ce4bf1544f2758e8b651f4349a0f3dc441e09d8ab7c4863db1ae8f084a32",
+                "sha256:d8059084ce54b2c3d7b2c8bacd5f6490db849b2d2d6e7368c160b08504c87e73",
+                "sha256:e72cdc97a49509ca2298350c2c3a0ac26bc8e943ce003a7d245df42e91439d5d",
+                "sha256:eab18df58dcc8512f1b694f7218146828d7e3dd3f4e73bfd6942a11810293fd5",
+                "sha256:ece424c83a575c2e0ba25815871458d3bbade46d76b7997236fb51a0251229ab",
+                "sha256:ed80b40da839d60f4c03915bb3638e3c96ea8c30e689d0cc309b7597d82cc217",
+                "sha256:fd5ee0f42d59a290c049f91894e0739f62c2908e7edc028ffb847a105e68bfc3",
+                "sha256:fd6acd09d2a0fd3f616b18f977f399ed3dd95e2d6754f115837f026d19d62e10"
+            ],
+            "version": "==2.0.1"
         },
         "pygments": {
             "hashes": [
-                "sha256:78f3f434bcc5d6ee09020f92ba487f95ba50f1e3ef83ae96b9d5ffa1bab25c5d",
-                "sha256:dbae1046def0efb574852fab9e90209b23f556367b5a320c0bcb871c77c3e8cc"
+                "sha256:2656e1a6edcdabf4275f9a3640db59fd5de107d88e8663c5d4e9a0fa62f77f94",
+                "sha256:534ef71d539ae97d4c3a4cf7d6f110f214b0e687e92f9cb9d2a3b0d3101289c8"
             ],
-            "version": "==2.2.0"
+            "version": "==2.8.1"
         },
         "pytheory-testing": {
             "editable": true,
@@ -177,86 +199,92 @@
         },
         "requests": {
             "hashes": [
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-            "version": "==4.3.0"
+            "version": "==5.0.7"
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         "ipdb": {
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@@ -267,10 +295,10 @@
         },
         "ipython": {
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@@ -281,76 +309,75 @@
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-                "sha256:895c63e93b94ac1e1690f5fdd40b65f07c8171e3e53cbd7793b5b96c0e0a7f24"
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-            "version": "==4.6.0"
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@@ -360,32 +387,42 @@
             "index": "pypi",
             "version": "==3.8.1"
         },
-        "simplegeneric": {
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-                "sha256:dc972e06094b9af5b855b3df4a646395e43d1c9d0d39ed345b7393560d0b9173"
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-                "sha256:f4ebe71925af7b40a864553f761ed559b43544f8f71746c2d756c7fe788ade7c"
+                "sha256:beb4802a9cebb9144e99086eff703a642a13d6a0052920003a230f3294bbe784",
+                "sha256:c4d647b99872929fdb7bdcaa4fbe7f01413ed3d98077df798530e5b04f116c83"
+            ],
+            "version": "==0.2.5"
+        },
+        "zipp": {
+            "hashes": [
+                "sha256:3607921face881ba3e026887d8150cca609d517579abe052ac81fc5aeffdbd76",
+                "sha256:51cb66cc54621609dd593d1787f286ee42a5c0adbb4b29abea5a63edc3e03098"
             ],
-            "version": "==0.1.7"
+            "version": "==3.4.1"
         }
     }
 }