diff --git a/Cargo.lock b/Cargo.lock
index b554651..6d061f8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -4,42 +4,30 @@ version = 3
 
 [[package]]
 name = "aho-corasick"
-version = "0.7.18"
+version = "1.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1e37cfd5e7657ada45f742d6e99ca5788580b5c529dc78faf11ece6dc702656f"
+checksum = "ea5d730647d4fadd988536d06fecce94b7b4f2a7efdae548f1cf4b63205518ab"
 dependencies = [
  "memchr",
 ]
 
-[[package]]
-name = "anyhow"
-version = "1.0.52"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84450d0b4a8bd1ba4144ce8ce718fbc5d071358b1e5384bace6536b3d1f2d5b3"
-
 [[package]]
 name = "autocfg"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
-
-[[package]]
-name = "base-x"
-version = "0.2.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4521f3e3d031370679b3b140beb36dfe4801b09ac77e30c61941f97df3ef28b"
-
-[[package]]
-name = "bitflags"
-version = "1.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
+checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
 [[package]]
 name = "bumpalo"
-version = "3.8.0"
+version = "3.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f1e260c3a9040a7c19a12468758f4c16f31a81a1fe087482be9570ec864bb6c"
+checksum = "7f30e7476521f6f8af1a1c4c0b8cc94f0bee37d91763d0ca2665f299b6cd8aec"
+
+[[package]]
+name = "bytes"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2bd12c1caf447e69cd4528f47f94d203fd2582878ecb9e9465484c4148a8223"
 
 [[package]]
 name = "cfg-if"
@@ -47,33 +35,6 @@ version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
 
-[[package]]
-name = "console_error_panic_hook"
-version = "0.1.7"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a06aeb73f470f66dcdbf7223caeebb85984942f22f1adb2a088cf9668146bbbc"
-dependencies = [
- "cfg-if",
- "wasm-bindgen",
-]
-
-[[package]]
-name = "const_fn"
-version = "0.4.8"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f92cfa0fd5690b3cf8c1ef2cabbd9b7ef22fa53cf5e1f92b05103f6d5d1cf6e7"
-
-[[package]]
-name = "cookie"
-version = "0.14.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "03a5d7b21829bc7b4bf4754a978a241ae54ea55a40f92bb20216e54096f4b951"
-dependencies = [
- "percent-encoding",
- "time",
- "version_check 0.9.3",
-]
-
 [[package]]
 name = "css_typegen"
 version = "0.2.0"
@@ -82,23 +43,29 @@ dependencies = [
  "proc-macro2",
  "quote",
  "regex",
- "syn",
+ "syn 1.0.109",
 ]
 
 [[package]]
-name = "dbg"
-version = "1.0.4"
+name = "csv"
+version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4677188513e0e9d7adced5997cf9a1e7a3c996c994f90093325c5332c1a8b221"
+checksum = "626ae34994d3d8d668f4269922248239db4ae42d538b14c398b74a52208e8086"
 dependencies = [
- "version_check 0.1.5",
+ "csv-core",
+ "itoa",
+ "ryu",
+ "serde",
 ]
 
 [[package]]
-name = "discard"
-version = "1.0.4"
+name = "csv-core"
+version = "0.1.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
+checksum = "2b2466559f260f48ad25fe6317b3c8dac77b5bdb5763ac7d9d6103530663bc90"
+dependencies = [
+ "memchr",
+]
 
 [[package]]
 name = "enclose"
@@ -107,10 +74,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1056f553da426e9c025a662efa48b52e62e0a3a7648aa2d15aeaaf7f0d329357"
 
 [[package]]
-name = "futures"
-version = "0.3.19"
+name = "fnv"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "28560757fe2bb34e79f907794bb6b22ae8b0e5c669b638a1132f2592b19035b4"
+checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
+
+[[package]]
+name = "futures"
+version = "0.3.28"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "23342abe12aba583913b2e62f22225ff9c950774065e4bfb61a19cd9770fec40"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -123,9 +96,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.19"
+version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba3dda0b6588335f360afc675d0564c17a77a2bda81ca178a4b6081bd86c7f0b"
+checksum = "955518d47e09b25bbebc7a18df10b81f0c766eaf4c4f1cccef2fca5f2a4fb5f2"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -133,15 +106,15 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.19"
+version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d0c8ff0461b82559810cdccfde3215c3f373807f5e5232b71479bff7bb2583d7"
+checksum = "4bca583b7e26f571124fe5b7561d49cb2868d79116cfa0eefce955557c6fee8c"
 
 [[package]]
 name = "futures-executor"
-version = "0.3.19"
+version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "29d6d2ff5bb10fb95c85b8ce46538a2e5f5e7fdc755623a7d4529ab8a4ed9d2a"
+checksum = "ccecee823288125bd88b4d7f565c9e58e41858e47ab72e8ea2d64e93624386e0"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -150,38 +123,38 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.19"
+version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b1f9d34af5a1aac6fb380f735fe510746c38067c5bf16c7fd250280503c971b2"
+checksum = "4fff74096e71ed47f8e023204cfd0aa1289cd54ae5430a9523be060cdb849964"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.19"
+version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6dbd947adfffb0efc70599b3ddcf7b5597bb5fa9e245eb99f62b3a5f7bb8bd3c"
+checksum = "89ca545a94061b6365f2c7355b4b32bd20df3ff95f02da9329b34ccc3bd6ee72"
 dependencies = [
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.37",
 ]
 
 [[package]]
 name = "futures-sink"
-version = "0.3.19"
+version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e3055baccb68d74ff6480350f8d6eb8fcfa3aa11bdc1a1ae3afdd0514617d508"
+checksum = "f43be4fe21a13b9781a69afa4985b0f6ee0e1afab2c6f454a8cf30e2b2237b6e"
 
 [[package]]
 name = "futures-task"
-version = "0.3.19"
+version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6ee7c6485c30167ce4dfb83ac568a849fe53274c831081476ee13e0dce1aad72"
+checksum = "76d3d132be6c0e6aa1534069c705a74a5997a356c0dc2f86a47765e5617c5b65"
 
 [[package]]
 name = "futures-util"
-version = "0.3.19"
+version = "0.3.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d9b5cf40b47a271f77a8b1bec03ca09044d99d2372c0de244e66430761127164"
+checksum = "26b01e40b772d54cf6c6d721c1d1abd0647a0106a12ecaa1c186273392a69533"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -195,46 +168,37 @@ dependencies = [
  "slab",
 ]
 
-[[package]]
-name = "getopts"
-version = "0.2.21"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "14dbbfd5c71d70241ecf9e6f13737f7b5ce823821063188d7e46c41d371eebd5"
-dependencies = [
- "unicode-width",
-]
-
 [[package]]
 name = "getrandom"
-version = "0.1.16"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
+checksum = "be4136b2a15dd319360be1c07d9933517ccf0be8f16bf62a3bee4f0d618df427"
 dependencies = [
  "cfg-if",
  "js-sys",
  "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
+ "wasi",
  "wasm-bindgen",
 ]
 
 [[package]]
-name = "getrandom"
-version = "0.2.3"
+name = "gloo-console"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7fcd999463524c52659517fe2cea98493cfe485d10565e7b0fb07dbba7ad2753"
+checksum = "2a17868f56b4a24f677b17c8cb69958385102fa879418052d60b50bc1727e261"
 dependencies = [
- "cfg-if",
+ "gloo-utils 0.2.0",
  "js-sys",
- "libc",
- "wasi 0.10.2+wasi-snapshot-preview1",
+ "serde",
  "wasm-bindgen",
+ "web-sys",
 ]
 
 [[package]]
 name = "gloo-events"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "088514ec8ef284891c762c88a66b639b3a730134714692ee31829765c5bc814f"
+checksum = "68b107f8abed8105e4182de63845afcc7b69c098b7852a813ea7462a320992fc"
 dependencies = [
  "wasm-bindgen",
  "web-sys",
@@ -242,9 +206,9 @@ dependencies = [
 
 [[package]]
 name = "gloo-file"
-version = "0.1.0"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8f9fecfe46b5dc3cc46f58e98ba580cc714f2c93860796d002eb3527a465ef49"
+checksum = "a8d5564e570a38b43d78bdc063374a0c3098c4f0d64005b12f9bbe87e869b6d7"
 dependencies = [
  "futures-channel",
  "gloo-events",
@@ -254,29 +218,86 @@ dependencies = [
 ]
 
 [[package]]
-name = "gloo-timers"
-version = "0.2.2"
+name = "gloo-net"
+version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6f16c88aa13d2656ef20d1c042086b8767bbe2bdb62526894275a1b062161b2e"
+checksum = "8ac9e8288ae2c632fa9f8657ac70bfe38a1530f345282d7ba66a1f70b72b7dc4"
+dependencies = [
+ "futures-channel",
+ "futures-core",
+ "futures-sink",
+ "gloo-utils 0.2.0",
+ "http",
+ "js-sys",
+ "pin-project",
+ "serde",
+ "serde_json",
+ "thiserror",
+ "wasm-bindgen",
+ "wasm-bindgen-futures",
+ "web-sys",
+]
+
+[[package]]
+name = "gloo-timers"
+version = "0.2.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9b995a66bb87bebce9a0f4a95aed01daca4872c050bfcb21653361c03bc35e5c"
 dependencies = [
  "futures-channel",
  "futures-core",
  "js-sys",
  "wasm-bindgen",
+]
+
+[[package]]
+name = "gloo-utils"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "037fcb07216cb3a30f7292bd0176b050b7b9a052ba830ef7d5d65f6dc64ba58e"
+dependencies = [
+ "js-sys",
+ "serde",
+ "serde_json",
+ "wasm-bindgen",
+ "web-sys",
+]
+
+[[package]]
+name = "gloo-utils"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b5555354113b18c547c1d3a98fbf7fb32a9ff4f6fa112ce823a21641a0ba3aa"
+dependencies = [
+ "js-sys",
+ "serde",
+ "serde_json",
+ "wasm-bindgen",
  "web-sys",
 ]
 
 [[package]]
 name = "hashbrown"
-version = "0.11.2"
+version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
+checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+
+[[package]]
+name = "http"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bd6effc99afb63425aff9b05836f029929e345a6148a14b7ecd5ab67af944482"
+dependencies = [
+ "bytes",
+ "fnv",
+ "itoa",
+]
 
 [[package]]
 name = "indexmap"
-version = "1.7.0"
+version = "1.9.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
+checksum = "bd070e393353796e801d209ad339e89596eb4c8d430d18ede6a1cced8fafbd99"
 dependencies = [
  "autocfg",
  "hashbrown",
@@ -284,57 +305,68 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "1.0.1"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1aab8fc367588b89dcee83ab0fd66b72b50b72fa1904d7095045ace2b0c81c35"
+checksum = "af150ab688ff2122fcef229be89cb50dd66af9e01a4ff320cc137eecc9bacc38"
 
 [[package]]
 name = "js-sys"
-version = "0.3.55"
+version = "0.3.64"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7cc9ffccd38c451a86bf13657df244e9c3f37493cce8e5e21e940963777acc84"
+checksum = "c5f195fe497f702db0f318b07fdd68edb16955aed830df8363d837542f8f935a"
 dependencies = [
  "wasm-bindgen",
 ]
 
-[[package]]
-name = "lazy_static"
-version = "1.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
-
 [[package]]
 name = "libc"
-version = "0.2.112"
+version = "0.2.148"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1b03d17f364a3a042d5e5d46b053bbbf82c92c9430c592dd4c064dc6ee997125"
+checksum = "9cdc71e17332e86d2e1d38c1f99edcb6288ee11b815fb1a4b049eaa2114d369b"
 
 [[package]]
 name = "log"
-version = "0.4.14"
+version = "0.4.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "51b9bbe6c47d51fc3e1a9b945965946b4c44142ab8792c50835a980d362c2710"
-dependencies = [
- "cfg-if",
-]
+checksum = "b5e6163cb8c49088c2c36f57875e58ccd8c87c7427f7fbd50ea6710b2f3f2e8f"
 
 [[package]]
 name = "memchr"
-version = "2.4.1"
+version = "2.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
+checksum = "8f232d6ef707e1956a43342693d2a31e72989554d58299d7a88738cc95b0d35c"
 
 [[package]]
-name = "percent-encoding"
-version = "2.1.0"
+name = "once_cell"
+version = "1.18.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d4fd5641d01c8f18a23da7b6fe29298ff4b55afcccdf78973b24cf3175fee32e"
+checksum = "dd8b5dd2ae5ed71462c540258bedcb51965123ad7e7ccf4b9a8cafaa4a63576d"
+
+[[package]]
+name = "pin-project"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fda4ed1c6c173e3fc7a83629421152e01d7b1f9b7f65fb301e490e8cfc656422"
+dependencies = [
+ "pin-project-internal",
+]
+
+[[package]]
+name = "pin-project-internal"
+version = "1.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4359fd9c9171ec6e8c62926d6faaf553a8dc3f64e1507e76da7911b4f6a04405"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.37",
+]
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.7"
+version = "0.2.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8d31d11c69a6b52a174b42bdc0c30e5e11670f90788b2c471c31c1d17d449443"
+checksum = "8afb450f006bf6385ca15ef45d71d2288452bc3683ce2e2cacc0d18e4be60b58"
 
 [[package]]
 name = "pin-utils"
@@ -344,80 +376,37 @@ checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.15"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ed0cfbc8191465bed66e1718596ee0b0b35d5ee1f41c5df2189d0fe8bde535ba"
-
-[[package]]
-name = "proc-macro-hack"
-version = "0.5.19"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dbf0c48bc1d91375ae5c3cd81e3722dff1abcf81a30960240640d223f59fe0e5"
+checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.36"
+version = "1.0.67"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7342d5883fbccae1cc37a2353b09c87c9b0f3afd73f5fb9bba687a1f733b029"
+checksum = "3d433d9f1a3e8c1263d9456598b16fec66f4acc9a74dacffd35c7bb09b3a1328"
 dependencies = [
- "unicode-xid",
-]
-
-[[package]]
-name = "pulldown-cmark"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ffade02495f22453cd593159ea2f59827aae7f53fa8323f756799b670881dcf8"
-dependencies = [
- "bitflags",
- "getopts",
- "memchr",
- "unicase",
+ "unicode-ident",
 ]
 
 [[package]]
 name = "quote"
-version = "1.0.14"
+version = "1.0.33"
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+checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
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-dependencies = [
- "ppv-lite86",
- "rand_core 0.5.1",
+ "rand_chacha",
+ "rand_core",
 ]
 
 [[package]]
@@ -427,59 +416,35 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
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 dependencies = [
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- "rand_core 0.6.3",
+ "rand_core",
 ]
 
 [[package]]
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+version = "0.6.4"
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-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
+checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
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-dependencies = [
- "rand_core 0.5.1",
+ "getrandom",
 ]
 
 [[package]]
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-version = "1.5.4"
+version = "1.9.5"
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-checksum = "d07a8629359eb56f1e2fb1652bb04212c072a87ba68546a04065d525673ac461"
+checksum = "697061221ea1b4a94a624f67d0ae2bfe4e22b8a17b6a192afb11046542cc8c47"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-automata",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-automata"
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+source = "registry+https://github.com/rust-lang/crates.io-index"
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 dependencies = [
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@@ -488,314 +453,193 @@ dependencies = [
 
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+version = "0.7.5"
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-checksum = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"
-dependencies = [
- "semver",
-]
+checksum = "dbb5fb1acd8a1a18b3dd5be62d25485eb770e05afb408a9627d14d451bae12da"
 
 [[package]]
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-checksum = "73b4b750c782965c211b42f022f59af1fbceabdd026623714f104152f1ec149f"
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 dependencies = [
- "console_error_panic_hook",
- "cookie",
- "dbg",
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+ "getrandom",
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  "gloo-timers",
+ "gloo-utils 0.1.7",
  "indexmap",
  "js-sys",
- "pulldown-cmark",
- "rand 0.7.3",
- "serde",
- "serde_json",
+ "rand",
  "uuid",
- "version_check 0.9.3",
+ "version_check",
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 dependencies = [
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+ "syn 2.0.37",
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-
 [[package]]
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 dependencies = [
- "anyhow",
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- "rand 0.8.4",
+ "csv",
+ "gloo-console",
+ "gloo-net",
+ "rand",
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  "serde",
  "serde_json",
-]
-
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-dependencies = [
- "discard",
- "rustc_version",
- "stdweb-derive",
- "stdweb-internal-macros",
- "stdweb-internal-runtime",
+ "thiserror",
  "wasm-bindgen",
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 dependencies = [
- "proc-macro2",
- "quote",
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 dependencies = [
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- "unicode-xid",
+ "unicode-ident",
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 [[package]]
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 dependencies = [
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-dependencies = [
- "proc-macro-hack",
  "proc-macro2",
  "quote",
- "standback",
- "syn",
+ "unicode-ident",
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 [[package]]
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 dependencies = [
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+ "thiserror-impl",
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+dependencies = [
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+ "quote",
+ "syn 2.0.37",
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+checksum = "79daa5ed5740825c40b389c5e50312b9c86df53fccd33f281df655642b43869d"
 dependencies = [
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+ "getrandom",
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 [[package]]
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 [[package]]
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-checksum = "632f73e236b219150ea279196e54e610f5dbafa5d61786303d4da54f84e47fce"
+checksum = "7706a72ab36d8cb1f80ffbf0e071533974a60d0a308d01a5d0375bf60499a342"
 dependencies = [
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- "serde",
- "serde_json",
  "wasm-bindgen-macro",
 ]
 
 [[package]]
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-version = "0.2.78"
+version = "0.2.87"
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-checksum = "a317bf8f9fba2476b4b2c85ef4c4af8ff39c3c7f0cdfeed4f82c34a880aa837b"
+checksum = "5ef2b6d3c510e9625e5fe6f509ab07d66a760f0885d858736483c32ed7809abd"
 dependencies = [
  "bumpalo",
- "lazy_static",
  "log",
+ "once_cell",
  "proc-macro2",
  "quote",
- "syn",
+ "syn 2.0.37",
  "wasm-bindgen-shared",
 ]
 
 [[package]]
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-version = "0.4.28"
+version = "0.4.37"
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-checksum = "8e8d7523cb1f2a4c96c1317ca690031b714a51cc14e05f712446691f413f5d39"
+checksum = "c02dbc21516f9f1f04f187958890d7e6026df8d16540b7ad9492bc34a67cea03"
 dependencies = [
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@@ -805,9 +649,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.78"
+version = "0.2.87"
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-checksum = "d56146e7c495528bf6587663bea13a8eb588d39b36b679d83972e1a2dbbdacf9"
+checksum = "dee495e55982a3bd48105a7b947fd2a9b4a8ae3010041b9e0faab3f9cd028f1d"
 dependencies = [
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@@ -815,51 +659,29 @@ dependencies = [
 
 [[package]]
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-checksum = "7803e0eea25835f8abdc585cd3021b3deb11543c6fe226dcd30b228857c5c5ab"
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 dependencies = [
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- "syn",
+ "syn 2.0.37",
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 ]
 
 [[package]]
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-version = "0.2.78"
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-checksum = "38eb105f1c59d9eaa6b5cdc92b859d85b926e82cb2e0945cd0c9259faa6fe9fb"
+checksum = "9b85cbef8c220a6abc02aefd892dfc0fc23afb1c6a426316ec33253a3877249b"
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-
-[[package]]
-name = "winapi-x86_64-pc-windows-gnu"
-version = "0.4.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
diff --git a/Cargo.toml b/Cargo.toml
index e150700..44d5449 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,12 +5,15 @@ authors = ["Joakim Hulthe <joakim@hulthe.net"]
 edition = "2021"
 
 [dependencies]
-seed = "0.8.0"
-#wasm-bindgen = "0.2.70"
-serde = { version = "1", features = ['derive'] }
-serde_json = "1"
-anyhow = "*"
-rand = "0.8.4"
+seed = "0.10.0"
+serde = { version = "1.0.0", features = ['derive'] }
+serde_json = "1.0.0"
+rand = "0.8.5"
+gloo-console = "0.3.0"
+gloo-net = "0.4.0"
+csv = "1.2.2"
+thiserror = "1.0.48"
+wasm-bindgen = "0.2.87"
 
 [dependencies.css_typegen]
 git = "https://github.com/hulthe/css_typegen.git"
diff --git a/src/app.rs b/src/app.rs
index 692dd8e..2b401eb 100644
--- a/src/app.rs
+++ b/src/app.rs
@@ -1,15 +1,16 @@
 use crate::css::C;
 use crate::custom_list::{fetch_custom_song_list, fetch_custom_song_list_index, CustomLists};
+use crate::fetch::fetch_list_of;
 use crate::fuzzy::FuzzyScore;
 use crate::query::ParsedQuery;
 use crate::song::Song;
-use anyhow::anyhow;
+use gloo_console::error;
 use rand::seq::SliceRandom;
 use rand::thread_rng;
 use seed::app::cmds::timeout;
 use seed::browser::util::document;
-use seed::{attrs, button, div, empty, error, img, input, p, span, C, IF};
-use seed::{log, prelude::*};
+use seed::prelude::*;
+use seed::{attrs, button, div, empty, img, input, p, span, C, IF};
 use std::cmp::Reverse;
 use std::collections::HashSet;
 use web_sys::Element;
@@ -194,12 +195,9 @@ pub fn update(msg: Msg, model: &mut Model, orders: &mut impl Orders<Msg>) {
             autotype_song(model, orders);
         }
         Msg::Scroll => {
-            let (scroll, max_scroll) = match get_scroll() {
-                Ok(v) => v,
-                Err(e) => {
-                    error!(e);
-                    return;
-                }
+            let Some((scroll, max_scroll)) = get_scroll() else {
+                error!("Failed to get song list element by id:", SONG_LIST_ID);
+                return;
             };
 
             let scroll_left: i32 = max_scroll - scroll;
@@ -344,18 +342,10 @@ pub fn view(model: &Model) -> Vec<Node<Msg>> {
 }
 
 async fn fetch_songs() -> Option<Msg> {
-    let response = match fetch("/songs").await.and_then(|r| r.check_status()) {
+    let mut songs: Vec<Song> = match fetch_list_of("/songs").await {
         Ok(response) => response,
         Err(e) => {
-            log!("error fetching songs", e);
-            return None;
-        }
-    };
-
-    let mut songs: Vec<Song> = match response.json().await {
-        Ok(v) => v,
-        Err(e) => {
-            log!("error parsing songs", e);
+            error!("Error fetching songs:", e);
             return None;
         }
     };
@@ -374,22 +364,20 @@ pub fn autotype_song(model: &mut Model, orders: &mut impl Orders<Msg>) {
 
 const SONG_LIST_ID: &str = "song_list";
 
-fn get_song_list_element() -> anyhow::Result<Element> {
-    document()
-        .get_element_by_id(SONG_LIST_ID)
-        .ok_or_else(|| anyhow!("Failed to access song list element"))
+fn get_song_list_element() -> Option<Element> {
+    document().get_element_by_id(SONG_LIST_ID)
 }
 
 fn scroll_to_top() {
-    if let Ok(elem) = get_song_list_element() {
+    if let Some(elem) = get_song_list_element() {
         elem.scroll_to_with_x_and_y(0.0, 0.0);
     }
 }
 
-fn get_scroll() -> anyhow::Result<(i32, i32)> {
+fn get_scroll() -> Option<(i32, i32)> {
     let list = get_song_list_element()?;
     let scroll = list.scroll_top();
     let height = list.client_height();
     let max = (list.scroll_height() - height).max(0);
-    Ok((scroll, max))
+    Some((scroll, max))
 }
diff --git a/src/custom_list.rs b/src/custom_list.rs
index b41af4a..36d5565 100644
--- a/src/custom_list.rs
+++ b/src/custom_list.rs
@@ -1,24 +1,19 @@
 use std::collections::{HashMap, HashSet};
 
-use seed::{log, prelude::fetch};
+use gloo_console::error;
 
-use crate::app::{Loading, Msg};
+use crate::{
+    app::{Loading, Msg},
+    fetch::fetch_list_of,
+};
 
 pub type CustomLists = HashMap<String, Loading<HashSet<String>>>;
 
 pub async fn fetch_custom_song_list_index() -> Option<Msg> {
-    let response = match fetch("/custom/lists").await.and_then(|r| r.check_status()) {
+    let custom_lists: Vec<String> = match fetch_list_of("/custom/lists").await {
         Ok(response) => response,
         Err(e) => {
-            log!("error fetching custom song list index", e);
-            return None;
-        }
-    };
-
-    let custom_lists: Vec<String> = match response.json().await {
-        Ok(v) => v,
-        Err(e) => {
-            log!("error parsing custom song list index", e);
+            error!("Failed fetching custom song list index:", e);
             return None;
         }
     };
@@ -27,21 +22,10 @@ pub async fn fetch_custom_song_list_index() -> Option<Msg> {
 }
 
 pub async fn fetch_custom_song_list(list: String) -> Option<Msg> {
-    let response = match fetch(format!("/custom/list/{list}"))
-        .await
-        .and_then(|r| r.check_status())
-    {
-        Ok(response) => response,
+    let song_hashes: HashSet<String> = match fetch_list_of(format!("/custom/list/{list}")).await {
+        Ok(response) => response.into_iter().collect(),
         Err(e) => {
-            log!("error fetching custom song list", e);
-            return None;
-        }
-    };
-
-    let song_hashes: HashSet<String> = match response.json().await {
-        Ok(v) => v,
-        Err(e) => {
-            log!("error parsing custom song list", e);
+            error!("Failed fetching custom song list:", e);
             return None;
         }
     };
diff --git a/src/fetch.rs b/src/fetch.rs
new file mode 100644
index 0000000..0193fcc
--- /dev/null
+++ b/src/fetch.rs
@@ -0,0 +1,70 @@
+use std::io::Cursor;
+
+use gloo_net::http::{Request, Response};
+use serde::de::DeserializeOwned;
+use wasm_bindgen::{JsError, JsValue};
+
+const HTTP_ACCEPT: &str = concat!("text/csv, ", "application/json;q=0.9");
+
+#[derive(Debug, thiserror::Error)]
+pub enum FetchError {
+    /// The request returned a non-2XX status code.
+    #[error("server responded with {code} {text}")]
+    Status { code: u16, text: String },
+
+    /// The response contained an unrecognized or missing content type.
+    #[error("unknown content type {0:?}")]
+    UnknownContentType(Option<String>),
+
+    /// Another error occured.
+    #[error("{0}")]
+    Other(#[from] gloo_net::Error),
+
+    #[error("error deserializing csv: {0}")]
+    Csv(#[from] csv::Error),
+}
+
+impl From<FetchError> for JsValue {
+    fn from(e: FetchError) -> Self {
+        JsError::new(&e.to_string()).into()
+    }
+}
+
+/// Perform a GET request.
+pub async fn fetch(url: impl AsRef<str>) -> Result<Response, FetchError> {
+    let response = Request::get(url.as_ref())
+        .header("accept", HTTP_ACCEPT)
+        .send()
+        .await?;
+
+    if !response.ok() {
+        return Err(FetchError::Status {
+            code: response.status(),
+            text: response.status_text(),
+        });
+    }
+
+    Ok(response)
+}
+
+/// Perform a GET request and try to deserialize the response as a `Vec<T>`.
+pub async fn fetch_list_of<T: DeserializeOwned>(
+    url: impl AsRef<str>,
+) -> Result<Vec<T>, FetchError> {
+    let response = fetch(url.as_ref()).await?;
+    let headers = response.headers();
+    let content_type = headers.get("Content-Type").map(|s| s.to_lowercase());
+
+    match content_type.as_deref() {
+        Some("text/csv") => {
+            let text = response.text().await?;
+            let reader = csv::Reader::from_reader(Cursor::new(text)).into_deserialize();
+            let list = reader
+                .map(|r| r.map_err(FetchError::from))
+                .collect::<Result<_, _>>()?;
+            Ok(list)
+        }
+        Some("application/json") => Ok(response.json().await?),
+        _ => Err(FetchError::UnknownContentType(content_type)),
+    }
+}
diff --git a/src/main.rs b/src/main.rs
index 8d7c8dc..006b617 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,7 @@
 mod app;
 mod css;
 mod custom_list;
+mod fetch;
 mod fuzzy;
 mod query;
 mod song;