diff --git a/Cargo.lock b/Cargo.lock
index e3bbf35..da22271 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,9 +2,9 @@
 # It is not intended for manual editing.
 [[package]]
 name = "addr2line"
-version = "0.15.2"
+version = "0.16.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e7a2e47a1fbe209ee101dd6d61285226744c6c8d3c21c8dc878ba6cb9f467f3a"
+checksum = "3e61f2b7f93d2c7d2b08263acaa4a363b3e276806c68af6134c44f523bf1aacd"
 dependencies = [
  "gimli",
 ]
@@ -35,9 +35,9 @@ dependencies = [
 
 [[package]]
 name = "anyhow"
-version = "1.0.41"
+version = "1.0.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15af2628f6890fe2609a3b91bef4c83450512802e59489f9c1cb1fa5df064a61"
+checksum = "28ae2b3dec75a406790005a200b1bd89785afc02517a00ca99ecfe093ee9e6cf"
 
 [[package]]
 name = "arrayref"
@@ -85,9 +85,9 @@ checksum = "cdb031dd78e28731d87d56cc8ffef4a8f36ca26c38fe2de700543e627f8a464a"
 
 [[package]]
 name = "backtrace"
-version = "0.3.60"
+version = "0.3.61"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7815ea54e4d821e791162e078acbebfd6d8c8939cd559c9335dceb1c8ca7282"
+checksum = "e7a905d892734eea339e896738c14b9afce22b5318f64b951e70bf3844419b01"
 dependencies = [
  "addr2line",
  "cc",
@@ -151,9 +151,9 @@ checksum = "349f9b6a179ed607305526ca489b34ad0a41aed5f7980fa90eb03160b69598fb"
 
 [[package]]
 name = "bitflags"
-version = "1.2.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf1de2fe8c75bc145a2f577add951f8134889b4795d47466a54a5c846d691693"
+checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
 [[package]]
 name = "blake2b_simd"
@@ -230,15 +230,15 @@ checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
 
 [[package]]
 name = "bytes"
-version = "1.0.1"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040"
+checksum = "c4872d67bab6358e59559027aa3b9157c53d9358c51423c17554809a8858e0f8"
 
 [[package]]
 name = "cc"
-version = "1.0.68"
+version = "1.0.69"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a72c244c1ff497a746a7e1fb3d14bd08420ecda70c8f25c7112f2781652d787"
+checksum = "e70cc2f62c6ce1868963827bd677764c62d07c3d9a3e1fb1177ee1a9ab199eb2"
 
 [[package]]
 name = "cfg-if"
@@ -312,7 +312,7 @@ version = "0.14.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "03a5d7b21829bc7b4bf4754a978a241ae54ea55a40f92bb20216e54096f4b951"
 dependencies = [
- "time 0.2.26",
+ "time 0.2.27",
  "version_check",
 ]
 
@@ -385,9 +385,9 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-deque"
-version = "0.7.3"
+version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9f02af974daeee82218205558e51ec8768b48cf524bd01d550abe5573a608285"
+checksum = "c20ff29ded3204c5106278a81a38f4b482636ed4fa1e6cfbeef193291beb29ed"
 dependencies = [
  "crossbeam-epoch",
  "crossbeam-utils 0.7.2",
@@ -646,9 +646,9 @@ checksum = "3a471a38ef8ed83cd6e40aa59c1ffe17db6855c18e3604d9c4ed8c08ebc28678"
 
 [[package]]
 name = "futures"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e7e43a803dae2fa37c1f6a8fe121e1f7bf9548b4dfc0522a42f34145dadfc27"
+checksum = "1adc00f486adfc9ce99f77d717836f0c5aa84965eb0b4f051f4e83f7cab53f8b"
 dependencies = [
  "futures-channel",
  "futures-core",
@@ -661,9 +661,9 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e682a68b29a882df0545c143dc3646daefe80ba479bcdede94d5a703de2871e2"
+checksum = "74ed2411805f6e4e3d9bc904c95d5d423b89b3b25dc0250aa74729de20629ff9"
 dependencies = [
  "futures-core",
  "futures-sink",
@@ -671,9 +671,9 @@ dependencies = [
 
 [[package]]
 name = "futures-core"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0402f765d8a89a26043b889b26ce3c4679d268fa6bb22cd7c6aad98340e179d1"
+checksum = "af51b1b4a7fdff033703db39de8802c673eb91855f2e0d47dcf3bf2c0ef01f99"
 
 [[package]]
 name = "futures-cpupool"
@@ -687,9 +687,9 @@ dependencies = [
 
 [[package]]
 name = "futures-executor"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "badaa6a909fac9e7236d0620a2f57f7664640c56575b71a7552fbd68deafab79"
+checksum = "4d0d535a57b87e1ae31437b892713aee90cd2d7b0ee48727cd11fc72ef54761c"
 dependencies = [
  "futures-core",
  "futures-task",
@@ -698,15 +698,15 @@ dependencies = [
 
 [[package]]
 name = "futures-io"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "acc499defb3b348f8d8f3f66415835a9131856ff7714bf10dadfc4ec4bdb29a1"
+checksum = "0b0e06c393068f3a6ef246c75cdca793d6a46347e75286933e5e75fd2fd11582"
 
 [[package]]
 name = "futures-macro"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a4c40298486cdf52cc00cd6d6987892ba502c7656a16a4192a9992b1ccedd121"
+checksum = "c54913bae956fb8df7f4dc6fc90362aa72e69148e3f39041fbe8742d21e0ac57"
 dependencies = [
  "autocfg 1.0.1",
  "proc-macro-hack",
@@ -717,21 +717,21 @@ dependencies = [
 
 [[package]]
 name = "futures-sink"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a57bead0ceff0d6dde8f465ecd96c9338121bb7717d3e7b108059531870c4282"
+checksum = "c0f30aaa67363d119812743aa5f33c201a7a66329f97d1a887022971feea4b53"
 
 [[package]]
 name = "futures-task"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8a16bef9fc1a4dddb5bee51c989e3fbba26569cbb0e31f5b303c184e3dd33dae"
+checksum = "bbe54a98670017f3be909561f6ad13e810d9a51f3f061b902062ca3da80799f2"
 
 [[package]]
 name = "futures-util"
-version = "0.3.15"
+version = "0.3.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "feb5c238d27e2bf94ffdfd27b2c29e3df4a68c4193bb6427384259e2bf191967"
+checksum = "67eb846bfd58e44a8481a00049e82c43e0ccb5d61f8dc071057cb19249dd4d78"
 dependencies = [
  "autocfg 1.0.1",
  "futures-channel",
@@ -741,7 +741,7 @@ dependencies = [
  "futures-sink",
  "futures-task",
  "memchr",
- "pin-project-lite 0.2.6",
+ "pin-project-lite 0.2.7",
  "pin-utils",
  "proc-macro-hack",
  "proc-macro-nested",
@@ -781,9 +781,9 @@ dependencies = [
 
 [[package]]
 name = "gimli"
-version = "0.24.0"
+version = "0.25.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e4075386626662786ddb0ec9081e7c7eeb1ba31951f447ca780ef9f5d568189"
+checksum = "f0a01e0497841a3b2db4f8afa483cce65f7e96a3498bd6c541734792aeac8fe7"
 
 [[package]]
 name = "gotham"
@@ -798,7 +798,7 @@ dependencies = [
  "bytes 0.5.6",
  "chrono",
  "cookie 0.14.4",
- "futures 0.3.15",
+ "futures 0.3.16",
  "http 0.2.4",
  "httpdate",
  "hyper 0.13.10",
@@ -807,7 +807,7 @@ dependencies = [
  "log",
  "mime",
  "mime_guess",
- "mio 0.7.11",
+ "mio 0.7.13",
  "num_cpus",
  "percent-encoding 2.1.0",
  "pin-project 0.4.28",
@@ -871,9 +871,9 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.9.1"
+version = "0.11.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
+checksum = "ab5ef0d4909ef3724cc8cce6ccc8572c5c817592e9285f5464f8e86f8bd3726e"
 
 [[package]]
 name = "heck"
@@ -886,9 +886,9 @@ dependencies = [
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.18"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "322f4de77956e22ed0e5032c359a0f1273f1f7f0d79bfa3b8ffbc730d7fbcc5c"
+checksum = "62b467343b94ba476dcb2500d242dadbb39557df889310ac77c5d99100aaac33"
 dependencies = [
  "libc",
 ]
@@ -916,7 +916,7 @@ version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "527e8c9ac747e28542699a951517aa9a6945af506cd1f2e1b53a576c17b6cc11"
 dependencies = [
- "bytes 1.0.1",
+ "bytes 1.1.0",
  "fnv",
  "itoa",
 ]
@@ -945,9 +945,9 @@ dependencies = [
 
 [[package]]
 name = "httparse"
-version = "1.4.1"
+version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f3a87b616e37e93c22fb19bcd386f02f3af5ea98a25670ad0fce773de23c5e68"
+checksum = "acd94fdbe1d4ff688b67b04eee2e17bd50995534a61539e45adfefb45e5e5503"
 
 [[package]]
 name = "httpdate"
@@ -1001,7 +1001,7 @@ dependencies = [
  "httparse",
  "httpdate",
  "itoa",
- "pin-project 1.0.7",
+ "pin-project 1.0.8",
  "socket2",
  "tokio 0.2.25",
  "tower-service",
@@ -1046,9 +1046,9 @@ dependencies = [
 
 [[package]]
 name = "indexmap"
-version = "1.6.2"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "824845a0bf897a9042383849b02c1bc219c2383772efcd5c6f9766fa4b81aef3"
+checksum = "bc633605454125dec4b66843673f01c7df2b89479b32e0ed634e43a91cff62a5"
 dependencies = [
  "autocfg 1.0.1",
  "hashbrown",
@@ -1083,15 +1083,15 @@ dependencies = [
 
 [[package]]
 name = "itoa"
-version = "0.4.7"
+version = "0.4.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dd25036021b0de88a0aff6b850051563c6516d0bf53f8638938edbb9de732736"
+checksum = "b71991ff56294aa922b450139ee08b3bfc70982c6b2c7562771375cf73542dd4"
 
 [[package]]
 name = "js-sys"
-version = "0.3.51"
+version = "0.3.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "83bdfbace3a0e81a4253f73b49e960b053e396a11012cbd49b9b74d6a2b67062"
+checksum = "e4bf49d50e2961077d9c99f4b7997d770a1114f087c3c2e0069b36c13fc2979d"
 dependencies = [
  "wasm-bindgen",
 ]
@@ -1151,9 +1151,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.96"
+version = "0.2.101"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5600b4e6efc5421841a2138a6b082e07fe12f9aaa12783d50e5d13325b26b4fc"
+checksum = "3cb00336871be5ed2c8ed44b60ae9959dc5b9f08539422ed43f09e34ecaeba21"
 
 [[package]]
 name = "libticker"
@@ -1191,9 +1191,9 @@ dependencies = [
 
 [[package]]
 name = "matches"
-version = "0.1.8"
+version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
+checksum = "a3e378b66a060d48947b590737b30a1be76706c8dd7b8ba0f2fe3989c68a853f"
 
 [[package]]
 name = "maybe-uninit"
@@ -1203,9 +1203,9 @@ checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
 
 [[package]]
 name = "memchr"
-version = "2.4.0"
+version = "2.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b16bd47d9e329435e309c58469fe0791c2d0d1ba96ec0954152a5ae2b04387dc"
+checksum = "308cc39be01b73d0d18f82a0e7b2a3df85245f84af96fdddc5d202d27e47b86a"
 
 [[package]]
 name = "memoffset"
@@ -1263,9 +1263,9 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.7.11"
+version = "0.7.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cf80d3e903b34e0bd7282b218398aec54e082c840d9baf8339e0080a0c542956"
+checksum = "8c2bdb6314ec10835cd3293dd268473a835c02b7b352e788be788b3c6ca6bb16"
 dependencies = [
  "libc",
  "log",
@@ -1320,9 +1320,9 @@ dependencies = [
 
 [[package]]
 name = "native-tls"
-version = "0.2.7"
+version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b8d96b2e1c8da3957d58100b09f102c6d9cfdfced01b7ec5a8974044bb09dbd4"
+checksum = "48ba9f7719b5a0f42f338907614285fb5fd70e53858141f69898a1fb7203b24d"
 dependencies = [
  "lazy_static",
  "libc",
@@ -1362,6 +1362,40 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
+[[package]]
+name = "num"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "43db66d1170d347f9a065114077f7dccb00c1b9478c89384490a3425279a4606"
+dependencies = [
+ "num-bigint",
+ "num-complex",
+ "num-integer",
+ "num-iter",
+ "num-rational",
+ "num-traits",
+]
+
+[[package]]
+name = "num-bigint"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "76e97c412795abf6c24ba30055a8f20642ea57ca12875220b854cfa501bf1e48"
+dependencies = [
+ "autocfg 1.0.1",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-complex"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26873667bbbb7c5182d4a37c1add32cdf09f841af72da53318fdb81543c15085"
+dependencies = [
+ "num-traits",
+]
+
 [[package]]
 name = "num-integer"
 version = "0.1.44"
@@ -1372,6 +1406,29 @@ dependencies = [
  "num-traits",
 ]
 
+[[package]]
+name = "num-iter"
+version = "0.1.42"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b2021c8337a54d21aca0d59a92577a029af9431cb59b909b03252b9c164fad59"
+dependencies = [
+ "autocfg 1.0.1",
+ "num-integer",
+ "num-traits",
+]
+
+[[package]]
+name = "num-rational"
+version = "0.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d41702bd167c2df5520b384281bc111a4b5efcf7fbc4c9c222c815b07e0a6a6a"
+dependencies = [
+ "autocfg 1.0.1",
+ "num-bigint",
+ "num-integer",
+ "num-traits",
+]
+
 [[package]]
 name = "num-traits"
 version = "0.2.14"
@@ -1393,18 +1450,18 @@ dependencies = [
 
 [[package]]
 name = "object"
-version = "0.25.2"
+version = "0.26.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f8bc1d42047cf336f0f939c99e97183cf31551bf0f2865a2ec9c8d91fd4ffb5e"
+checksum = "39f37e50073ccad23b6d09bcb5b263f4e76d3bb6038e4a3c08e52162ffa8abc2"
 dependencies = [
  "memchr",
 ]
 
 [[package]]
 name = "once_cell"
-version = "1.7.2"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "af8b08b04175473088b46763e51ee54da5f9a164bc162f615b91bc179dbf15a3"
+checksum = "692fcb63b64b1758029e0a96ee63e049ce8c5948587f2f7208df04625e5f6b56"
 
 [[package]]
 name = "opaque-debug"
@@ -1414,9 +1471,9 @@ checksum = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
 
 [[package]]
 name = "openssl"
-version = "0.10.34"
+version = "0.10.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6d7830286ad6a3973c0f1d9b73738f69c76b739301d0229c4b96501695cbe4c8"
+checksum = "8d9facdb76fec0b73c406f125d44d86fdad818d66fef0531eec9233ca425ff4a"
 dependencies = [
  "bitflags",
  "cfg-if 1.0.0",
@@ -1434,9 +1491,9 @@ checksum = "28988d872ab76095a6e6ac88d99b54fd267702734fd7ffe610ca27f533ddb95a"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.63"
+version = "0.9.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b6b0d6fb7d80f877617dfcb014e605e2b5ab2fb0afdf27935219bb6bd984cb98"
+checksum = "1996d2d305e561b70d1ee0c53f1542833f4e1ac6ce9a6708b6ff2738ca67dc82"
 dependencies = [
  "autocfg 1.0.1",
  "cc",
@@ -1538,11 +1595,11 @@ dependencies = [
 
 [[package]]
 name = "pin-project"
-version = "1.0.7"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c7509cc106041c40a4518d2af7a61530e1eed0e6285296a3d8c5472806ccc4a4"
+checksum = "576bc800220cc65dac09e99e97b08b358cfab6e17078de8dc5fee223bd2d0c08"
 dependencies = [
- "pin-project-internal 1.0.7",
+ "pin-project-internal 1.0.8",
 ]
 
 [[package]]
@@ -1558,9 +1615,9 @@ dependencies = [
 
 [[package]]
 name = "pin-project-internal"
-version = "1.0.7"
+version = "1.0.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "48c950132583b500556b1efd71d45b319029f2b71518d979fcc208e16b42426f"
+checksum = "6e8fe8163d14ce7f0cdac2e040116f22eac817edabff0be91e8aff7e9accf389"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1575,9 +1632,9 @@ checksum = "257b64915a082f7811703966789728173279bdebb956b143dbcd23f6f970a777"
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.6"
+version = "0.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dc0e1f259c92177c30a4c9d177246edd0a3568b25756a977d0632cf8fa37e905"
+checksum = "8d31d11c69a6b52a174b42bdc0c30e5e11670f90788b2c471c31c1d17d449443"
 
 [[package]]
 name = "pin-utils"
@@ -1626,9 +1683,9 @@ checksum = "bc881b2c22681370c6a780e47af9840ef841837bc98118431d4e1868bd0c1086"
 
 [[package]]
 name = "proc-macro2"
-version = "1.0.27"
+version = "1.0.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f0d8caf72986c1a598726adc988bb5984792ef84f5ee5aa50209145ee8077038"
+checksum = "5c7ed8b8c7b886ea3ed7dde405212185f423ab44682667c8c6dd14aa1d9f6612"
 dependencies = [
  "unicode-xid 0.2.2",
 ]
@@ -1673,14 +1730,14 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.8.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0ef9e7e66b4468674bfcb0c81af8b7fa0bb154fa9f28eb840da5c447baeb8d7e"
+checksum = "2e7573632e6454cf6b99d7aac4ccca54be06da05aca2ef7423d22d27d4d4bcd8"
 dependencies = [
  "libc",
  "rand_chacha 0.3.1",
- "rand_core 0.6.2",
- "rand_hc 0.3.0",
+ "rand_core 0.6.3",
+ "rand_hc 0.3.1",
 ]
 
 [[package]]
@@ -1700,7 +1757,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
 dependencies = [
  "ppv-lite86",
- "rand_core 0.6.2",
+ "rand_core 0.6.3",
 ]
 
 [[package]]
@@ -1720,9 +1777,9 @@ checksum = "9c33a3c44ca05fa6f1807d8e6743f3824e8509beca625669633be0acbdf509dc"
 
 [[package]]
 name = "rand_core"
-version = "0.6.2"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34cf66eb183df1c5876e2dcf6b13d57340741e8dc255b48e40a26de954d06ae7"
+checksum = "d34f1408f55294453790c48b2f1ebbb1c5b4b7563eb1f418bcfcfdbb06ebb4e7"
 dependencies = [
  "getrandom 0.2.3",
 ]
@@ -1738,11 +1795,11 @@ dependencies = [
 
 [[package]]
 name = "rand_hc"
-version = "0.3.0"
+version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
+checksum = "d51e9f596de227fda2ea6c84607f5558e196eeaf43c986b724ba4fb8fdf497e7"
 dependencies = [
- "rand_core 0.6.2",
+ "rand_core 0.6.3",
 ]
 
 [[package]]
@@ -1815,9 +1872,9 @@ checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
 [[package]]
 name = "redox_syscall"
-version = "0.2.8"
+version = "0.2.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "742739e41cd49414de871ea5e549afb7e2a3ac77b589bcbebe8c82fab37147fc"
+checksum = "8383f39639269cde97d255a32bdb68c047337295414940c68bdd30c2e13203ff"
 dependencies = [
  "bitflags",
 ]
@@ -1910,9 +1967,9 @@ dependencies = [
 
 [[package]]
 name = "rrule"
-version = "0.5.8"
+version = "0.5.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d1ccf2e8be78bd6a32bccace1b6ae378bf093e4c4cc7c16a8a8ec3795fcf19c6"
+checksum = "dcc01712126a4035bc720fd39da2bf99d57a127f55aa358d74692540ad31af0e"
 dependencies = [
  "chrono",
  "chrono-tz",
@@ -1935,9 +1992,9 @@ dependencies = [
 
 [[package]]
 name = "rustc-demangle"
-version = "0.1.19"
+version = "0.1.21"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "410f7acf3cb3a44527c5d9546bad4bf4e6c460915d5f9f2fc524498bfe8f70ce"
+checksum = "7ef03e0a2b150c7a90d01faf6254c9c48a41e95fb2a8c2ac1c6f0d2b9aefc342"
 
 [[package]]
 name = "rustc_version"
@@ -1995,22 +2052,23 @@ dependencies = [
 
 [[package]]
 name = "security-framework"
-version = "2.3.1"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "23a2ac85147a3a11d77ecf1bc7166ec0b92febfa4461c37944e180f319ece467"
+checksum = "5b9bd29cdffb8875b04f71c51058f940cf4e390bbfd2ce669c4f22cd70b492a5"
 dependencies = [
  "bitflags",
  "core-foundation",
  "core-foundation-sys",
  "libc",
+ "num",
  "security-framework-sys",
 ]
 
 [[package]]
 name = "security-framework-sys"
-version = "2.3.0"
+version = "2.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7e4effb91b4b8b6fb7732e670b6cee160278ff8e6bf485c7805d9e319d76e284"
+checksum = "19133a286e494cc3311c165c4676ccb1fd47bed45b55f9d71fbd784ad4cea6f8"
 dependencies = [
  "core-foundation-sys",
  "libc",
@@ -2033,18 +2091,18 @@ checksum = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
 
 [[package]]
 name = "serde"
-version = "1.0.126"
+version = "1.0.129"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec7505abeacaec74ae4778d9d9328fe5a5d04253220a85c4ee022239fc996d03"
+checksum = "d1f72836d2aa753853178eda473a3b9d8e4eefdaf20523b919677e6de489f8f1"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.126"
+version = "1.0.129"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "963a7dbc9895aeac7ac90e74f34a5d5261828f79df35cbed41e10189d3804d43"
+checksum = "e57ae87ad533d9a56427558b516d0adac283614e347abf85b0dc0cbbf0a249f3"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2053,9 +2111,9 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.64"
+version = "1.0.66"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "799e97dc9fdae36a5c8b8f2cae9ce2ee9fdce2058c57a93e6099d919fd982f79"
+checksum = "336b10da19a12ad094b59d870ebde26a45402e5b470add4b5fd03c5048a32127"
 dependencies = [
  "itoa",
  "ryu",
@@ -2076,12 +2134,12 @@ dependencies = [
 
 [[package]]
 name = "serde_yaml"
-version = "0.8.17"
+version = "0.8.20"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "15654ed4ab61726bf918a39cb8d98a2e2995b002387807fa6ba58fdf7f59bb23"
+checksum = "ad104641f3c958dab30eb3010e834c2622d1f3f4c530fef1dee20ad9485f3c09"
 dependencies = [
  "dtoa",
- "linked-hash-map",
+ "indexmap",
  "serde",
  "yaml-rust",
 ]
@@ -2121,9 +2179,9 @@ checksum = "0b8de496cf83d4ed58b6be86c3a275b8602f6ffe98d3024a869e124147a9a3ac"
 
 [[package]]
 name = "slab"
-version = "0.4.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f173ac3d1a7e3b28003f40de0b5ce7fe2710f9b9dc3fc38664cebee46b3b6527"
+checksum = "c307a32c1c5c437f38c7fd45d753050587732ba8628319fbdf12a7e289ccc590"
 
 [[package]]
 name = "smallvec"
@@ -2278,9 +2336,9 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.73"
+version = "1.0.75"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f71489ff30030d2ae598524f61326b902466f72a0fb1a8564c001cc63425bcc7"
+checksum = "b7f58f7e8eaa0009c5fec437aabf511bd9933e4b2d7407bd05273c01a8906ea7"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2289,9 +2347,9 @@ dependencies = [
 
 [[package]]
 name = "synstructure"
-version = "0.12.4"
+version = "0.12.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b834f2d66f734cb897113e34aaff2f1ab4719ca946f9a7358dba8f8064148701"
+checksum = "474aaa926faa1603c40b7885a9eaea29b444d1cb2850cb7c0e37bb1a4182f4fa"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2307,8 +2365,8 @@ checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
- "rand 0.8.3",
- "redox_syscall 0.2.8",
+ "rand 0.8.4",
+ "redox_syscall 0.2.10",
  "remove_dir_all",
  "winapi 0.3.9",
 ]
@@ -2363,9 +2421,9 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.2.26"
+version = "0.2.27"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "08a8cbfbf47955132d0202d1662f49b2423ae35862aee471f3ba4b133358f372"
+checksum = "4752a97f8eebd6854ff91f1c1824cd6160626ac4bd44287f7f4ea2035a02a242"
 dependencies = [
  "const_fn",
  "libc",
@@ -2388,9 +2446,9 @@ dependencies = [
 
 [[package]]
 name = "time-macros-impl"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e5c3be1edfad6027c69f5491cf4cb310d1a71ecd6af742788c6ff8bced86b8fa"
+checksum = "fd3c141a1b43194f3f56a1411225df8646c55781d5f26db825b3d98507eb482f"
 dependencies = [
  "proc-macro-hack",
  "proc-macro2",
@@ -2401,9 +2459,9 @@ dependencies = [
 
 [[package]]
 name = "tinyvec"
-version = "1.2.0"
+version = "1.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5b5220f05bb7de7f3f53c7c065e1199b3172696fe2db9f9c4d8ad9b4ee74c342"
+checksum = "848a1e1181b9f6753b5e96a092749e29b11d19ede67dfbbd6c7dc7e0f49b5338"
 dependencies = [
  "tinyvec_macros",
 ]
@@ -2622,15 +2680,15 @@ checksum = "09adeb8c97449311ccd28a427f96fb563e7fd31aabf994189879d9da2394b89d"
 dependencies = [
  "cfg-if 1.0.0",
  "log",
- "pin-project-lite 0.2.6",
+ "pin-project-lite 0.2.7",
  "tracing-core",
 ]
 
 [[package]]
 name = "tracing-core"
-version = "0.1.18"
+version = "0.1.19"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a9ff14f98b1a4b289c6248a023c1c2fa1491062964e9fed67ab29c4e4da4a052"
+checksum = "2ca517f43f0fb96e0c3072ed5c275fe5eece87e8cb52f4a77b69226d3b1c9df8"
 dependencies = [
  "lazy_static",
 ]
@@ -2641,7 +2699,7 @@ version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "97d095ae15e245a057c8e8451bab9b3ee1e1f68e9ba2b4fbc18d0ac5237835f2"
 dependencies = [
- "pin-project 1.0.7",
+ "pin-project 1.0.8",
  "tracing",
 ]
 
@@ -2707,12 +2765,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-bidi"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eeb8be209bb1c96b7c177c7420d26e04eccacb0eeae6b980e35fcb74678107e0"
-dependencies = [
- "matches",
-]
+checksum = "246f4c42e67e7a4e3c6106ff716a5d067d4132a642840b242e357e468a2a0085"
 
 [[package]]
 name = "unicode-normalization"
@@ -2725,9 +2780,9 @@ dependencies = [
 
 [[package]]
 name = "unicode-segmentation"
-version = "1.7.1"
+version = "1.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "bb0d2e7be6ae3a5fa87eed5fb451aff96f2573d2694942e40543ae0bbe19c796"
+checksum = "8895849a949e7845e06bd6dc1aa51731a103c42707010a5b591c0038fb73385b"
 
 [[package]]
 name = "unicode-xid"
@@ -2790,9 +2845,9 @@ dependencies = [
 
 [[package]]
 name = "vcpkg"
-version = "0.2.13"
+version = "0.2.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "025ce40a007e1907e58d5bc1a594def78e5573bb0b1160bc389634e8f12e4faa"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
 
 [[package]]
 name = "version_check"
@@ -2835,9 +2890,9 @@ checksum = "fd6fbd9a79829dd1ad0cc20627bf1ed606756a7f77edff7b66b7064f9cb327c6"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.74"
+version = "0.2.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d54ee1d4ed486f78874278e63e4069fc1ab9f6a18ca492076ffb90c5eb2997fd"
+checksum = "8ce9b1b516211d33767048e5d47fa2a381ed8b76fc48d2ce4aa39877f9f183e0"
 dependencies = [
  "cfg-if 1.0.0",
  "wasm-bindgen-macro",
@@ -2845,9 +2900,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.74"
+version = "0.2.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b33f6a0694ccfea53d94db8b2ed1c3a8a4c86dd936b13b9f0a15ec4a451b900"
+checksum = "cfe8dc78e2326ba5f845f4b5bf548401604fa20b1dd1d365fb73b6c1d6364041"
 dependencies = [
  "bumpalo",
  "lazy_static",
@@ -2860,9 +2915,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.74"
+version = "0.2.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "088169ca61430fe1e58b8096c24975251700e7b1f6fd91cc9d59b04fb9b18bd4"
+checksum = "44468aa53335841d9d6b6c023eaab07c0cd4bddbcfdee3e2bb1e8d2cb8069fef"
 dependencies = [
  "quote",
  "wasm-bindgen-macro-support",
@@ -2870,9 +2925,9 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.74"
+version = "0.2.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "be2241542ff3d9f241f5e2cb6dd09b37efe786df8851c54957683a49f0987a97"
+checksum = "0195807922713af1e67dc66132c7328206ed9766af3858164fb583eedc25fbad"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -2883,15 +2938,15 @@ dependencies = [
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.74"
+version = "0.2.76"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d7cff876b8f18eed75a66cf49b65e7f967cb354a7aa16003fb55dbfd25b44b4f"
+checksum = "acdb075a845574a1fa5f09fd77e43f7747599301ea3417a9fbffdeedfc1f4a29"
 
 [[package]]
 name = "web-sys"
-version = "0.3.51"
+version = "0.3.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e828417b379f3df7111d3a2a9e5753706cae29c41f7c4029ee9fd77f3e09e582"
+checksum = "224b2f6b67919060055ef1a67807367c2066ed520c3862cc013d26cf893a783c"
 dependencies = [
  "js-sys",
  "wasm-bindgen",
diff --git a/default.nix b/default.nix
index c1b7d89..694157f 100644
--- a/default.nix
+++ b/default.nix
@@ -24,11 +24,11 @@ let
 in {
   ticker-update = build {
     pname = "ticker-update";
-    cargoSha256 = "0kn01p0srv9c3wiaj2a0qpvzqmrs5y721q5nrf0hdhjqkvvlj6j1";
+    cargoSha256 = "0lhf0pd8vmdxq6ss2q6xrkicdmwpgdmzydgp7v1hql766ccwsc93";
   };
   ticker-serve = (build {
     pname = "ticker-serve";
-    cargoSha256 = "0p5g59r24lr54598lnjmb5nms7bm7k2bjr91gxprwqp7zs5yjwr4";
+    cargoSha256 = "1m2fjb2s5xy08wki6cfbyinb9xvllbifh6zsyigcrwbjxp7fjz37";
   }).overrideAttrs (oa: {
     postBuild = ''
       ${oa.postBuild}