diff --git a/tui/Cargo.lock b/tui/Cargo.lock
index ba9a40b..4c90588 100644
--- a/tui/Cargo.lock
+++ b/tui/Cargo.lock
@@ -70,15 +70,9 @@ checksum = "2e8c087f005730276d1096a652e92a8bacee2e2472bcc9715a74d2bec38b5820"
 
 [[package]]
 name = "bytes"
-version = "0.5.6"
+version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e4cec68f03f32e44924783795810fa50a7035d8c8ebe78580ad7e6c703fba38"
-
-[[package]]
-name = "bytes"
-version = "1.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ad1f8e949d755f9d79112b5bb46938e0ef9d3804a0b16dfab13aafcaa5f0fa72"
+checksum = "b700ce4376041dcd0a327fd0097c41095743c4c8af8887265942faf1100bd040"
 
 [[package]]
 name = "cc"
@@ -142,7 +136,7 @@ version = "0.1.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "615f6e27d000a2bffbc7f2f6a8669179378fa27ee4d0a509e985dfc0a7defb40"
 dependencies = [
- "getrandom 0.2.1",
+ "getrandom",
  "lazy_static",
  "proc-macro-hack",
  "tiny-keccak",
@@ -230,6 +224,7 @@ dependencies = [
  "num",
  "owning_ref",
  "signal-hook",
+ "toml",
  "unicode-segmentation",
  "unicode-width",
  "xi-unicode",
@@ -354,54 +349,43 @@ dependencies = [
 
 [[package]]
 name = "futures-channel"
-version = "0.3.8"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b7109687aa4e177ef6fe84553af6280ef2778bdb7783ba44c9dc3399110fe64"
+checksum = "f2d31b7ec7efab6eefc7c57233bb10b847986139d88cc2f5a02a1ae6871a1846"
 dependencies = [
  "futures-core",
 ]
 
 [[package]]
 name = "futures-core"
-version = "0.3.8"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "847ce131b72ffb13b6109a221da9ad97a64cbe48feb1028356b836b47b8f1748"
+checksum = "79e5145dde8da7d1b3892dad07a9c98fc04bc39892b1ecc9692cf53e2b780a65"
 
 [[package]]
 name = "futures-sink"
-version = "0.3.8"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f878195a49cee50e006b02b93cf7e0a95a38ac7b776b4c4d9cc1207cd20fcb3d"
+checksum = "caf5c69029bda2e743fddd0582d1083951d65cc9539aebf8812f36c3491342d6"
 
 [[package]]
 name = "futures-task"
-version = "0.3.8"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7c554eb5bf48b2426c4771ab68c6b14468b6e76cc90996f528c3338d761a4d0d"
+checksum = "13de07eb8ea81ae445aca7b69f5f7bf15d7bf4912d8ca37d6645c77ae8a58d86"
 
 [[package]]
 name = "futures-util"
-version = "0.3.8"
+version = "0.3.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d304cff4a7b99cfb7986f7d43fbe93d175e72e704a8860787cc95e9ffd85cbd2"
+checksum = "632a8cd0f2a4b3fdea1657f08bde063848c3bd00f9bbf6e256b8be78802e624b"
 dependencies = [
  "futures-core",
  "futures-task",
- "pin-project 1.0.3",
+ "pin-project-lite",
  "pin-utils",
 ]
 
-[[package]]
-name = "getrandom"
-version = "0.1.16"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "8fc3cb4d91f53b50155bdcfd23f6a4c39ae1969c2ae85982b135750cccaf5fce"
-dependencies = [
- "cfg-if 1.0.0",
- "libc",
- "wasi 0.9.0+wasi-snapshot-preview1",
-]
-
 [[package]]
 name = "getrandom"
 version = "0.2.1"
@@ -410,7 +394,7 @@ checksum = "4060f4657be78b8e766215b02b18a2e862d83745545de804638e2b545e81aee6"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
+ "wasi",
 ]
 
 [[package]]
@@ -419,7 +403,7 @@ version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6b67e66362108efccd8ac053abafc8b7a8d86a37e6e48fc4f6f7485eb5e9e6a5"
 dependencies = [
- "bytes 1.0.0",
+ "bytes",
  "fnv",
  "futures-core",
  "futures-sink",
@@ -441,20 +425,20 @@ checksum = "d7afe4a420e3fe79967a00898cc1f4db7c8a49a9333a29f8a4bd76a253d5cd04"
 
 [[package]]
 name = "hermit-abi"
-version = "0.1.17"
+version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5aca5565f760fb5b220e499d72710ed156fdb74e631659e99377d9ebfbd13ae8"
+checksum = "322f4de77956e22ed0e5032c359a0f1273f1f7f0d79bfa3b8ffbc730d7fbcc5c"
 dependencies = [
  "libc",
 ]
 
 [[package]]
 name = "http"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "84129d298a6d57d246960ff8eb831ca4af3f96d29e2e28848dae275408658e26"
+checksum = "7245cd7449cc792608c3c8a9eaf69bd4eabbabf802713748fd739c98b82f0747"
 dependencies = [
- "bytes 0.5.6",
+ "bytes",
  "fnv",
  "itoa",
 ]
@@ -465,7 +449,7 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "2861bd27ee074e5ee891e8b539837a9430012e249d7f0ca2d795650f579c1994"
 dependencies = [
- "bytes 1.0.0",
+ "bytes",
  "http",
 ]
 
@@ -487,7 +471,7 @@ version = "0.14.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "12219dc884514cb4a6a03737f4413c0e01c23a1b059b0156004b23f1e19dccbe"
 dependencies = [
- "bytes 1.0.0",
+ "bytes",
  "futures-channel",
  "futures-core",
  "futures-util",
@@ -497,7 +481,7 @@ dependencies = [
  "httparse",
  "httpdate",
  "itoa",
- "pin-project 1.0.3",
+ "pin-project 1.0.4",
  "socket2",
  "tokio",
  "tower-service",
@@ -511,7 +495,7 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d6183ddfa99b85da61a140bea0efc93fdf56ceaa041b37d553518030827f9905"
 dependencies = [
- "bytes 1.0.0",
+ "bytes",
  "hyper",
  "native-tls",
  "tokio",
@@ -583,9 +567,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.81"
+version = "0.2.82"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1482821306169ec4d07f6aca392a4681f66c75c9918aa49641a2595db64053cb"
+checksum = "89203f3fba0a3795506acaad8ebce3c80c0af93f994d5a1d7a0b1eeb23271929"
 
 [[package]]
 name = "lock_api"
@@ -598,9 +582,9 @@ dependencies = [
 
 [[package]]
 name = "log"
-version = "0.4.11"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4fabed175da42fed1fa0746b0ea71f412aa9d35e76e95e59b192c64b9dc2bf8b"
+checksum = "fcf3805d4480bb5b86070dcfeb9e2cb2ebc148adb753c5cca5f884d1d65a42b2"
 dependencies = [
  "cfg-if 0.1.10",
 ]
@@ -837,7 +821,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "instant",
  "libc",
- "redox_syscall",
+ "redox_syscall 0.1.57",
  "smallvec",
  "winapi",
 ]
@@ -859,11 +843,11 @@ dependencies = [
 
 [[package]]
 name = "pin-project"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5a83804639aad6ba65345661744708855f9fbcb71176ea8d28d05aeb11d975e7"
+checksum = "95b70b68509f17aa2857863b6fa00bf21fc93674c7a8893de2f469f6aa7ca2f2"
 dependencies = [
- "pin-project-internal 1.0.3",
+ "pin-project-internal 1.0.4",
 ]
 
 [[package]]
@@ -879,9 +863,9 @@ dependencies = [
 
 [[package]]
 name = "pin-project-internal"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b7bcc46b8f73443d15bc1c5fecbb315718491fa9187fa483f0e359323cde8b3a"
+checksum = "caa25a6393f22ce819b0f50e0be89287292fda8d425be38ee0ca14c4931d9e71"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -890,9 +874,9 @@ dependencies = [
 
 [[package]]
 name = "pin-project-lite"
-version = "0.2.1"
+version = "0.2.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e36743d754ccdf9954c2e352ce2d4b106e024c814f6499c2dadff80da9a442d8"
+checksum = "439697af366c49a6d0a010c56a0d97685bc140ce0d377b13a2ea2aa42d64a827"
 
 [[package]]
 name = "pin-utils"
@@ -938,11 +922,10 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.7.3"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6a6b1679d49b24bbfe0c803429aa1874472f50d9b363131f0e89fc356b544d03"
+checksum = "18519b42a40024d661e1714153e9ad0c3de27cd495760ceb09710920f1098b1e"
 dependencies = [
- "getrandom 0.1.16",
  "libc",
  "rand_chacha",
  "rand_core",
@@ -951,9 +934,9 @@ dependencies = [
 
 [[package]]
 name = "rand_chacha"
-version = "0.2.2"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f4c8ed856279c9737206bf725bf36935d8666ead7aa69b52be55af369d193402"
+checksum = "e12735cf05c9e10bf21534da50a147b924d555dc7a547c42e6bb2d5b6017ae0d"
 dependencies = [
  "ppv-lite86",
  "rand_core",
@@ -961,18 +944,18 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.5.1"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "90bde5296fc891b0cef12a6d03ddccc162ce7b2aff54160af9338f8d40df6d19"
+checksum = "c026d7df8b298d90ccbbc5190bd04d85e159eaf5576caeacf8741da93ccbd2e5"
 dependencies = [
- "getrandom 0.1.16",
+ "getrandom",
 ]
 
 [[package]]
 name = "rand_hc"
-version = "0.2.0"
+version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ca3129af7b92a17112d59ad498c6f81eaf463253766b90396d39ea7a39d6613c"
+checksum = "3190ef7066a446f2e7f42e239d161e905420ccab01eb967c9eb27d21b2322a73"
 dependencies = [
  "rand_core",
 ]
@@ -983,6 +966,15 @@ version = "0.1.57"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
 
+[[package]]
+name = "redox_syscall"
+version = "0.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "05ec8ca9416c5ea37062b502703cd7fcb207736bc294f6e0cf367ac6fc234570"
+dependencies = [
+ "bitflags",
+]
+
 [[package]]
 name = "remove_dir_all"
 version = "0.5.3"
@@ -999,7 +991,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "fd281b1030aa675fb90aa994d07187645bb3c8fc756ca766e7c3070b439de9de"
 dependencies = [
  "base64",
- "bytes 1.0.0",
+ "bytes",
  "encoding_rs",
  "futures-core",
  "futures-util",
@@ -1073,18 +1065,18 @@ dependencies = [
 
 [[package]]
 name = "serde"
-version = "1.0.118"
+version = "1.0.119"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "06c64263859d87aa2eb554587e2d23183398d617427327cf2b3d0ed8c69e4800"
+checksum = "9bdd36f49e35b61d49efd8aa7fc068fd295961fd2286d0b2ee9a4c7a14e99cc3"
 dependencies = [
  "serde_derive",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.118"
+version = "1.0.119"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c84d3526699cd55261af4b941e4e725444df67aa4f9e6a3564f18030d12672df"
+checksum = "552954ce79a059ddd5fd68c271592374bd15cab2274970380c000118aeffe1cd"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1141,9 +1133,9 @@ checksum = "c111b5bd5695e56cffe5129854aa230b39c93a305372fdbb2668ca2394eea9f8"
 
 [[package]]
 name = "smallvec"
-version = "1.6.0"
+version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a55ca5f3b68e41c979bf8c46a6f1da892ca4db8f94023ce0bd32407573b1ac0"
+checksum = "fe0f37c9e8f3c5a4a66ad655a93c74daac4ad00c441533bf5c6e7990bb42604e"
 
 [[package]]
 name = "socket2"
@@ -1187,14 +1179,14 @@ dependencies = [
 
 [[package]]
 name = "tempfile"
-version = "3.1.0"
+version = "3.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
+checksum = "dac1c663cfc93810f88aed9b8941d48cabf856a1b111c29a40439018d870eb22"
 dependencies = [
- "cfg-if 0.1.10",
+ "cfg-if 1.0.0",
  "libc",
  "rand",
- "redox_syscall",
+ "redox_syscall 0.2.4",
  "remove_dir_all",
  "winapi",
 ]
@@ -1220,12 +1212,11 @@ dependencies = [
 
 [[package]]
 name = "time"
-version = "0.1.44"
+version = "0.1.43"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
+checksum = "ca8a50ef2360fbd1eeb0ecd46795a87a19024eb4b53c5dc916ca1fd95fe62438"
 dependencies = [
  "libc",
- "wasi 0.10.0+wasi-snapshot-preview1",
  "winapi",
 ]
 
@@ -1255,12 +1246,12 @@ checksum = "cda74da7e1a664f795bb1f8a87ec406fb89a02522cf6e50620d016add6dbbf5c"
 
 [[package]]
 name = "tokio"
-version = "1.0.1"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d258221f566b6c803c7b4714abadc080172b272090cdc5e244a6d4dd13c3a6bd"
+checksum = "0ca04cec6ff2474c638057b65798f60ac183e5e79d3448bb7163d36a39cff6ec"
 dependencies = [
  "autocfg",
- "bytes 1.0.0",
+ "bytes",
  "libc",
  "memchr",
  "mio",
@@ -1296,9 +1287,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-stream"
-version = "0.1.1"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e4cdeb73537e63f98adcd73138af75e3f368ccaecffaa29d7eb61b9f5a440457"
+checksum = "76066865172052eb8796c686f0b441a93df8b08d40a950b062ffb9a426f00edd"
 dependencies = [
  "futures-core",
  "pin-project-lite",
@@ -1307,11 +1298,11 @@ dependencies = [
 
 [[package]]
 name = "tokio-util"
-version = "0.6.0"
+version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "36135b7e7da911f5f8b9331209f7fab4cc13498f3fff52f72a710c78187e3148"
+checksum = "12ae4751faa60b9f96dd8344d74592e5a17c0c9a220413dbc6942d14139bbfcc"
 dependencies = [
- "bytes 1.0.0",
+ "bytes",
  "futures-core",
  "futures-sink",
  "log",
@@ -1320,6 +1311,15 @@ dependencies = [
  "tokio-stream",
 ]
 
+[[package]]
+name = "toml"
+version = "0.5.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a31142970826733df8241ef35dc040ef98c679ab14d7c3e54d827099b3acecaa"
+dependencies = [
+ "serde",
+]
+
 [[package]]
 name = "tower-service"
 version = "0.3.0"
@@ -1446,15 +1446,9 @@ dependencies = [
 
 [[package]]
 name = "wasi"
-version = "0.9.0+wasi-snapshot-preview1"
+version = "0.10.1+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "cccddf32554fecc6acb585f82a32a72e28b48f8c4c1883ddfeeeaa96f7d8e519"
-
-[[package]]
-name = "wasi"
-version = "0.10.0+wasi-snapshot-preview1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
+checksum = "93c6c3420963c5c64bca373b25e77acb562081b9bb4dd5bb864187742186cea9"
 
 [[package]]
 name = "wasm-bindgen"
diff --git a/tui/Cargo.toml b/tui/Cargo.toml
index 9006cee..41b15f5 100644
--- a/tui/Cargo.toml
+++ b/tui/Cargo.toml
@@ -9,7 +9,7 @@ edition = "2018"
 [dependencies]
 
 clap = "2.33.3"
-cursive = "0.15"
+cursive = { version = "0.15", features=["toml"] }
 
 serde_json = "1.0"
 serde = { version = "1.0.114", features = ["derive"] }