diff --git a/Cargo.toml b/Cargo.toml
index e5aa359..e6a70c6 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,23 +1,22 @@
 [package]
-name = "lodestone_parser"
-version = "0.1.1"
+name = "lodestone-parser"
+version = "1.0.0"
 authors = ["Anna Clemens <git@annaclemens.io>"]
 
-edition = "2018"
+edition = "2021"
 
 [features]
 default = ["logic", "with_serde"]
 
 logic = [
   "cssparser",
-  "failure",
   "lazy_static",
   "scraper",
+  "thiserror",
   "with_serde",
 ]
 with_serde = [
   "serde",
-  "serde_derive",
   "ffxiv_types/with_serde",
   "chrono/serde",
   "url/serde"
@@ -26,11 +25,10 @@ with_serde = [
 [dependencies]
 chrono = "0.4"
 cssparser = { version = "0.27", optional = true }
-failure = { version = "0.1", optional = true }
 lazy_static = { version = "1", optional = true }
-scraper = { version = "0.12", optional = true }
-serde = { version = "1", optional = true }
-serde_derive = { version = "1", optional = true }
+scraper = { version = "0.13", optional = true }
+serde = { version = "1", features = ["derive"], optional = true }
+thiserror = { version = "1", optional = true }
 url = "2"
 
 [dependencies.ffxiv_types]
diff --git a/README.md b/README.md
index 8492244..6fc33cc 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,3 @@
-# lodestone_parser
+# lodestone-parser
 
 It parses Lodestone HTML. It's also nowhere near done.
diff --git a/src/error.rs b/src/error.rs
index 7207e6a..767f509 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -1,19 +1,17 @@
-use failure::Fail;
-
 pub type Result<T> = std::result::Result<T, Error>;
 
-#[derive(Debug, Fail)]
+#[derive(Debug, thiserror::Error)]
 pub enum Error {
-  #[fail(display = "couldn't find expected element on the lodestone: {}", _0)]
+  #[error("couldn't find expected element on the lodestone: {0}")]
   MissingElement(String),
-  #[fail(display = "the content scraped from the lodestone was invalid: {}", _0)]
+  #[error("the content scraped from the lodestone was invalid: {0}")]
   InvalidContent(String),
-  #[fail(display = "invalid page (1 through {} available)", _0)]
+  #[error("invalid page (1 through {0} available)")]
   InvalidPage(u64),
 
-  #[fail(display = "invalid number: {}", _0)]
+  #[error("invalid number: {0}")]
   InvalidNumber(std::num::ParseIntError),
-  #[fail(display = "invalid url: {}", _0)]
+  #[error("invalid url: {0}")]
   InvalidUrl(url::ParseError),
 }
 
diff --git a/src/lib.rs b/src/lib.rs
index 1a1f037..ec3e8e4 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1,4 +1,3 @@
-#![feature(crate_visibility_modifier)]
 #![allow(clippy::unreadable_literal)]
 
 pub extern crate ffxiv_types;
@@ -9,7 +8,7 @@ pub mod error;
 pub mod logic;
 
 pub mod models;
-crate mod util;
+pub(crate) mod util;
 
 #[cfg(feature = "logic")]
 pub use crate::logic::*;
diff --git a/src/logic.rs b/src/logic.rs
index 6fd2fd0..953264d 100644
--- a/src/logic.rs
+++ b/src/logic.rs
@@ -36,7 +36,7 @@ pub use self::{
   search::*,
 };
 
-crate fn plain_parse(html: &Html, select: &scraper::Selector) -> Result<String> {
+pub(crate) fn plain_parse(html: &Html, select: &scraper::Selector) -> Result<String> {
   let string = html
     .select(select)
     .next()
@@ -46,7 +46,7 @@ crate fn plain_parse(html: &Html, select: &scraper::Selector) -> Result<String>
   Ok(string)
 }
 
-crate fn plain_parse_elem<'a>(html: ElementRef<'a>, select: &scraper::Selector) -> Result<String> {
+pub(crate) fn plain_parse_elem<'a>(html: ElementRef<'a>, select: &scraper::Selector) -> Result<String> {
   let string = html
     .select(select)
     .next()
@@ -56,7 +56,7 @@ crate fn plain_parse_elem<'a>(html: ElementRef<'a>, select: &scraper::Selector)
   Ok(string)
 }
 
-crate fn parse_id(a: &Element) -> Result<u64> {
+pub(crate) fn parse_id(a: &Element) -> Result<u64> {
   let href = a.attr("href").ok_or_else(|| Error::invalid_content("href on link", None))?;
   let last = href
     .split('/')
@@ -66,7 +66,7 @@ crate fn parse_id(a: &Element) -> Result<u64> {
   last.parse().map_err(Error::InvalidNumber)
 }
 
-crate fn parse_grand_company(text: &str) -> Result<GrandCompanyInfo> {
+pub(crate) fn parse_grand_company(text: &str) -> Result<GrandCompanyInfo> {
   let mut x = text.split(" / ");
   let gc_str = x
     .next()
diff --git a/src/logic/character.rs b/src/logic/character.rs
index d3f43b2..274ec9d 100644
--- a/src/logic/character.rs
+++ b/src/logic/character.rs
@@ -27,23 +27,20 @@ use std::{
 selectors!(
   PROFILE_FACE => ".frame__chara__face > img";
   PROFILE_PORTRAIT => ".character__detail__image > a > img";
-  PROFILE_NAME => ".frame__chara__name";
-  PROFILE_WORLD => ".frame__chara__world";
-  PROFILE_TITLE => ".frame__chara__title";
-  PROFILE_NAME_DAY => ".character-block__birth";
+  PROFILE_NAME => ".frame__chara__box > .frame__chara__name";
+  PROFILE_WORLD => ".frame__chara__box > .frame__chara__world";
+  PROFILE_TITLE => ".frame__chara__box > .frame__chara__title";
+  PROFILE_NAME_DAY => ".character-block .character-block__birth";
   PROFILE_RACE_CLAN_GENDER => "div.character-block:nth-of-type(1) > .character-block__box > .character-block__name";
   PROFILE_GUARDIAN => "div.character-block:nth-of-type(2) > .character-block__box > .character-block__name";
   PROFILE_CITY_STATE => "div.character-block:nth-of-type(3) > .character-block__box > .character-block__name";
   PROFILE_GRAND_COMPANY => "div.character-block:nth-of-type(4) > .character-block__box > .character-block__name";
   PROFILE_FREE_COMPANY => ".character__freecompany__name > h4 > a";
-  PROFILE_TEXT => ".character__selfintroduction";
-  PROFILE_MOUNT => ".character__mounts > .character__icon__list .character__item_icon.js__tooltip";
-  PROFILE_MINION => ".character__minion > .character__icon__list .character__item_icon.js__tooltip";
+  PROFILE_TEXT => ".character__content > .character__selfintroduction";
+  // PROFILE_MOUNT => ".character__mounts > .character__icon__list .character__item_icon.js__tooltip";
+  // PROFILE_MINION => ".character__minion > .character__icon__list .character__item_icon.js__tooltip";
 
-  PROFILE_CLASS => "ul.character__job > li";
-  CLASS_NAME => ".character__job__name";
-  CLASS_LEVEL => ".character__job__level";
-  CLASS_EXP => ".character__job__exp";
+  PROFILE_CLASS => "div.character__level__list > ul > li";
 );
 
 pub fn parse(id: u64, html: &str) -> Result<Character> {
@@ -67,8 +64,8 @@ pub fn parse(id: u64, html: &str) -> Result<Character> {
 
   let jobs = parse_jobs(&html)?;
 
-  let mounts = parse_mounts(&html)?;
-  let minions = parse_minions(&html)?;
+  // let mounts = parse_mounts(&html)?;
+  // let minions = parse_minions(&html)?;
 
   let face = parse_face(&html)?;
   let portrait = parse_portrait(&html)?;
@@ -88,8 +85,8 @@ pub fn parse(id: u64, html: &str) -> Result<Character> {
     free_company_id,
     profile_text,
     jobs,
-    mounts,
-    minions,
+    // mounts,
+    // minions,
     face,
     portrait,
   })
@@ -97,7 +94,7 @@ pub fn parse(id: u64, html: &str) -> Result<Character> {
 
 fn parse_world(html: &Html) -> Result<World> {
   let parts_str = plain_parse(html, &*PROFILE_WORLD)?;
-  let mut parts = parts_str.split("\u{00a0}(");
+  let mut parts = parts_str.split(" [");
   let world_str = parts.next()
     .ok_or_else(|| Error::invalid_content("world with data centre in parens", Some(&parts_str)))?;
   World::from_str(world_str)
@@ -219,54 +216,42 @@ fn parse_jobs(html: &Html) -> Result<BTreeMap<Job, JobInfo>> {
 }
 
 fn parse_job(elem: ElementRef) -> Result<(Job, JobInfo)> {
-  let job = crate::logic::plain_parse_elem(elem, &*CLASS_NAME)
-    .and_then(|x| Job::parse(&x).ok_or_else(|| Error::invalid_content("valid job", Some(&x))))?;
+  let img = elem.first_child()
+    .ok_or_else(|| Error::invalid_content("missing job icon", None))?;
+  let img = img.value().as_element()
+    .ok_or_else(|| Error::invalid_content("job icon is not an element", None))?;
+  let tooltip = img.attr("data-tooltip")
+      .ok_or_else(|| Error::invalid_content("missing data-tooltip attribute", None))?;
+  let parts: Vec<&str> = tooltip.split(" / ").collect();
+  let parts: Vec<&str> = parts[0].split(" (").collect();
+  let job = Job::parse(&parts[0]).ok_or_else(|| Error::invalid_content("valid job", Some(&parts[0])))?;
 
-  let level_str = crate::logic::plain_parse_elem(elem, &*CLASS_LEVEL)?;
-  let level: Option<u8> = match level_str.as_str() {
+  let level_str: String = elem.text().collect();
+  let level: Option<u8> = match level_str.trim() {
     "-" => None,
     x => Some(x.parse().map_err(Error::InvalidNumber)?),
   };
 
-  let exp_str = crate::logic::plain_parse_elem(elem, &*CLASS_EXP)?;
-  let mut exp_split = exp_str.split(" / ");
-
-  let first_exp = exp_split.next().unwrap(); // must have first element
-  let experience: Option<u64> = match first_exp {
-    "-" | "--" => None,
-    x => Some(x.replace(",", "").parse().map_err(Error::InvalidNumber)?),
-  };
-
-  let second_exp = exp_split
-    .next()
-    .ok_or_else(|| Error::invalid_content("experience split by ` / `", Some(&exp_str)))?;
-  let next_level_experience: Option<u64> = match second_exp {
-    "-" | "--" => None,
-    x => Some(x.replace(",", "").parse().map_err(Error::InvalidNumber)?),
-  };
-
   let info = JobInfo {
     level,
-    experience,
-    next_level_experience,
   };
 
   Ok((job, info))
 }
 
-fn parse_minions(html: &Html) -> Result<Vec<Minion>> {
-  html.select(&*PROFILE_MINION)
-    .map(parse_icon)
-    .map(|res| res.map(|(name, icon)| Minion { name, icon }))
-    .collect()
-}
-
-fn parse_mounts(html: &Html) -> Result<Vec<Mount>> {
-  html.select(&*PROFILE_MOUNT)
-    .map(parse_icon)
-    .map(|res| res.map(|(name, icon)| Mount { name, icon }))
-    .collect()
-}
+// fn parse_minions(html: &Html) -> Result<Vec<Minion>> {
+//   html.select(&*PROFILE_MINION)
+//     .map(parse_icon)
+//     .map(|res| res.map(|(name, icon)| Minion { name, icon }))
+//     .collect()
+// }
+//
+// fn parse_mounts(html: &Html) -> Result<Vec<Mount>> {
+//   html.select(&*PROFILE_MOUNT)
+//     .map(parse_icon)
+//     .map(|res| res.map(|(name, icon)| Mount { name, icon }))
+//     .collect()
+// }
 
 fn parse_icon(elem: ElementRef) -> Result<(String, Url)> {
   let name = elem
diff --git a/src/logic/free_company.rs b/src/logic/free_company.rs
index 768208e..62b5b07 100644
--- a/src/logic/free_company.rs
+++ b/src/logic/free_company.rs
@@ -78,7 +78,7 @@ pub fn parse(id: u64, html: &str) -> Result<FreeCompany> {
 
 fn parse_world(html: &Html) -> Result<World> {
   let parts_str = plain_parse(html, &*FC_WORLD)?;
-  let mut parts = parts_str.split("\u{00a0}(");
+  let mut parts = parts_str.split(" [");
   let world_str = parts.next()
     .ok_or_else(|| Error::invalid_content("world with data centre in parens", Some(&parts_str)))?;
   World::from_str(world_str.trim())
diff --git a/src/logic/linkshell.rs b/src/logic/linkshell.rs
index 3ab999b..86921e4 100644
--- a/src/logic/linkshell.rs
+++ b/src/logic/linkshell.rs
@@ -41,7 +41,7 @@ pub fn parse(id: u64, html_str: &str) -> Result<Linkshell> {
 
 fn parse_world(html: &Html) -> Result<World> {
   let parts_str = plain_parse(html, &*LS_WORLD)?;
-  let mut parts = parts_str.split("\u{00a0}(");
+  let mut parts = parts_str.split(" [");
   let world_str = parts.next()
     .ok_or_else(|| Error::invalid_content("world with data centre in parens", Some(&parts_str)))?;
   World::from_str(world_str)
diff --git a/src/logic/search.rs b/src/logic/search.rs
index b3818c4..e2110ef 100644
--- a/src/logic/search.rs
+++ b/src/logic/search.rs
@@ -22,7 +22,7 @@ selectors!(
   NO_RESULTS => "p.parts__zero";
 );
 
-crate fn parse_pagination(html: &Html) -> Result<Pagination> {
+pub(crate) fn parse_pagination(html: &Html) -> Result<Pagination> {
   const LODESTONE_PER_PAGE: f32 = 50.0;
 
   let total_str = crate::logic::plain_parse(&html, &*PAGINATION_TOTAL)?;
@@ -66,7 +66,7 @@ crate fn parse_pagination(html: &Html) -> Result<Pagination> {
   })
 }
 
-crate fn parse_no_results(html: &Html) -> bool {
+pub(crate) fn parse_no_results(html: &Html) -> bool {
   html.select(&*NO_RESULTS)
     .next()
     .map(|x| x.text().collect::<String>() == "Your search yielded no results.")
diff --git a/src/logic/search/character.rs b/src/logic/search/character.rs
index 7be1252..56f63d0 100644
--- a/src/logic/search/character.rs
+++ b/src/logic/search/character.rs
@@ -50,7 +50,7 @@ pub fn parse(html: &str) -> Result<Paginated<CharacterSearchItem>> {
   })
 }
 
-crate fn parse_single(html: ElementRef) -> Result<CharacterSearchItem> {
+pub(crate) fn parse_single(html: ElementRef) -> Result<CharacterSearchItem> {
   let id = parse_id(html)?;
 
   let name = plain_parse(html, &*ITEM_NAME)?;
@@ -82,7 +82,7 @@ fn parse_id(html: ElementRef) -> Result<u64> {
 
 fn parse_world(html: ElementRef) -> Result<World> {
   let parts_str = plain_parse(html, &*ITEM_WORLD)?;
-  let mut parts = parts_str.split("\u{00a0}(");
+  let mut parts = parts_str.split(" [");
   let world_str = parts.next()
     .ok_or_else(|| Error::invalid_content("world with data centre in parens", Some(&parts_str)))?;
   World::from_str(world_str)
diff --git a/src/logic/search/free_company.rs b/src/logic/search/free_company.rs
index 733e8b5..b2c35ab 100644
--- a/src/logic/search/free_company.rs
+++ b/src/logic/search/free_company.rs
@@ -98,7 +98,7 @@ fn parse_grand_company(html: ElementRef) -> Result<GrandCompany> {
 
 fn parse_world(html: ElementRef) -> Result<World> {
   let parts_str = plain_parse(html, &*ITEM_WORLD)?;
-  let mut parts = parts_str.split("\u{00a0}(");
+  let mut parts = parts_str.split(" [");
   let world_str = parts.next()
     .ok_or_else(|| Error::invalid_content("world with data centre in parens", Some(&parts_str)))?;
   World::from_str(world_str)
diff --git a/src/logic/search/linkshell.rs b/src/logic/search/linkshell.rs
index afcc81c..22e5f2e 100644
--- a/src/logic/search/linkshell.rs
+++ b/src/logic/search/linkshell.rs
@@ -69,7 +69,7 @@ fn parse_id(html: ElementRef) -> Result<u64> {
 
 fn parse_world(html: ElementRef) -> Result<World> {
   let parts_str = plain_parse(html, &*ITEM_WORLD)?;
-  let mut parts = parts_str.split("\u{00a0}(");
+  let mut parts = parts_str.split(" [");
   let world_str = parts.next()
     .ok_or_else(|| Error::invalid_content("world with data centre in parens", Some(&parts_str)))?;
   World::from_str(world_str)
diff --git a/src/models.rs b/src/models.rs
index 2faafb4..cc45e03 100644
--- a/src/models.rs
+++ b/src/models.rs
@@ -2,7 +2,7 @@ macro_rules! ffxiv_enum {
   ($(#[$meta:meta])* $name:ident { $($variant:ident => $str_repr:expr),+$(,)? }) => {
     $(#[$meta])*
     #[derive(Debug, PartialEq, Clone, Copy)]
-    #[cfg_attr(feature = "with_serde", derive(serde_derive::Serialize, serde_derive::Deserialize))]
+    #[cfg_attr(feature = "with_serde", derive(serde::Serialize, serde::Deserialize))]
     pub enum $name {
       $($variant,)+
     }
diff --git a/src/models/character.rs b/src/models/character.rs
index dfbcba7..50ac65f 100644
--- a/src/models/character.rs
+++ b/src/models/character.rs
@@ -1,6 +1,6 @@
 use super::GrandCompany;
 
-#[cfg(feature = "with_serde")] use serde_derive::{Deserialize, Serialize};
+#[cfg(feature = "with_serde")] use serde::{Deserialize, Serialize};
 use ffxiv_types::{World, Race, Clan, Guardian};
 use url::Url;
 
@@ -30,10 +30,10 @@ pub struct Character {
 
   pub jobs: BTreeMap<Job, JobInfo>,
 
-  #[cfg_attr(feature = "with_serde", serde(default))]
-  pub mounts: Vec<Mount>,
-  #[cfg_attr(feature = "with_serde", serde(default))]
-  pub minions: Vec<Minion>,
+  // #[cfg_attr(feature = "with_serde", serde(default))]
+  // pub mounts: Vec<Mount>,
+  // #[cfg_attr(feature = "with_serde", serde(default))]
+  // pub minions: Vec<Minion>,
 
   pub face: Url,
   pub portrait: Url,
@@ -50,8 +50,6 @@ pub struct GrandCompanyInfo {
 #[cfg_attr(feature = "with_serde", derive(Deserialize, Serialize))]
 pub struct JobInfo {
   pub level: Option<u8>,
-  pub experience: Option<u64>,
-  pub next_level_experience: Option<u64>,
 }
 
 #[derive(Debug)]
@@ -92,6 +90,7 @@ ffxiv_enum!(
     WhiteMage => "white mage",
     Scholar => "scholar",
     Astrologian => "astrologian",
+    Sage => "sage",
     Pugilist => "pugilist",
     Monk => "monk",
     Lancer => "lancer",
@@ -109,6 +108,7 @@ ffxiv_enum!(
     RedMage => "red mage",
     BlueMage => "blue mage",
     Dancer => "dancer",
+    Reaper => "reaper",
 
     Carpenter => "carpenter",
     Blacksmith => "blacksmith",
diff --git a/src/models/free_company.rs b/src/models/free_company.rs
index 028a6e1..554038a 100644
--- a/src/models/free_company.rs
+++ b/src/models/free_company.rs
@@ -2,7 +2,7 @@ use super::GrandCompany;
 
 use chrono::{DateTime, Utc};
 use ffxiv_types::World;
-#[cfg(feature = "with_serde")] use serde_derive::{Deserialize, Serialize};
+#[cfg(feature = "with_serde")] use serde::{Deserialize, Serialize};
 use url::Url;
 
 use std::collections::BTreeMap;
diff --git a/src/models/linkshell.rs b/src/models/linkshell.rs
index 1e5986e..8d09d52 100644
--- a/src/models/linkshell.rs
+++ b/src/models/linkshell.rs
@@ -1,7 +1,7 @@
 use super::search::{Paginated, character::CharacterSearchItem};
 
 use ffxiv_types::World;
-#[cfg(feature = "with_serde")] use serde_derive::{Deserialize, Serialize};
+#[cfg(feature = "with_serde")] use serde::{Deserialize, Serialize};
 
 #[derive(Debug)]
 #[cfg_attr(feature = "with_serde", derive(Deserialize, Serialize))]
diff --git a/src/models/search.rs b/src/models/search.rs
index 7727e8c..0b660b0 100644
--- a/src/models/search.rs
+++ b/src/models/search.rs
@@ -1,4 +1,4 @@
-#[cfg(feature = "with_serde")] use serde_derive::{Deserialize, Serialize};
+#[cfg(feature = "with_serde")] use serde::{Deserialize, Serialize};
 
 pub mod character;
 pub mod free_company;
diff --git a/src/models/search/character.rs b/src/models/search/character.rs
index 281c193..61ef4a1 100644
--- a/src/models/search/character.rs
+++ b/src/models/search/character.rs
@@ -1,7 +1,7 @@
 use crate::models::character::GrandCompanyInfo;
 
 use ffxiv_types::World;
-#[cfg(feature = "with_serde")] use serde_derive::{Deserialize, Serialize};
+#[cfg(feature = "with_serde")] use serde::{Deserialize, Serialize};
 
 use url::Url;
 
diff --git a/src/models/search/free_company.rs b/src/models/search/free_company.rs
index 3769504..8789e80 100644
--- a/src/models/search/free_company.rs
+++ b/src/models/search/free_company.rs
@@ -2,7 +2,7 @@ use crate::models::GrandCompany;
 
 use chrono::{DateTime, Utc};
 use ffxiv_types::World;
-#[cfg(feature = "with_serde")] use serde_derive::{Deserialize, Serialize};
+#[cfg(feature = "with_serde")] use serde::{Deserialize, Serialize};
 use url::Url;
 
 #[derive(Debug)]
diff --git a/src/models/search/linkshell.rs b/src/models/search/linkshell.rs
index be9bc0f..033d5d0 100644
--- a/src/models/search/linkshell.rs
+++ b/src/models/search/linkshell.rs
@@ -1,5 +1,5 @@
 use ffxiv_types::World;
-#[cfg(feature = "with_serde")] use serde_derive::{Deserialize, Serialize};
+#[cfg(feature = "with_serde")] use serde::{Deserialize, Serialize};
 
 #[derive(Debug)]
 #[cfg_attr(feature = "with_serde", derive(Deserialize, Serialize))]
diff --git a/src/util/serde/opt_u64_str.rs b/src/util/serde/opt_u64_str.rs
index f2dc046..c241946 100644
--- a/src/util/serde/opt_u64_str.rs
+++ b/src/util/serde/opt_u64_str.rs
@@ -1,6 +1,6 @@
 use serde::{Deserializer, Deserialize, Serializer, de::Unexpected};
 
-crate fn serialize<S>(u: &Option<u64>, serializer: S) -> Result<S::Ok, S::Error>
+pub(crate) fn serialize<S>(u: &Option<u64>, serializer: S) -> Result<S::Ok, S::Error>
   where S: Serializer,
 {
   match *u {
@@ -9,7 +9,7 @@ crate fn serialize<S>(u: &Option<u64>, serializer: S) -> Result<S::Ok, S::Error>
   }
 }
 
-crate fn deserialize<'de, D>(deserializer: D) -> Result<Option<u64>, D::Error>
+pub(crate) fn deserialize<'de, D>(deserializer: D) -> Result<Option<u64>, D::Error>
   where D: Deserializer<'de>
 {
   let s: Option<String> = Deserialize::deserialize(deserializer)?;
diff --git a/src/util/serde/u64_str.rs b/src/util/serde/u64_str.rs
index 0e5c684..bcd6fad 100644
--- a/src/util/serde/u64_str.rs
+++ b/src/util/serde/u64_str.rs
@@ -1,13 +1,13 @@
 use serde::{Deserializer, Deserialize, Serializer, de::Unexpected};
 
 #[allow(clippy::trivially_copy_pass_by_ref)]
-crate fn serialize<S>(u: &u64, serializer: S) -> Result<S::Ok, S::Error>
+pub(crate) fn serialize<S>(u: &u64, serializer: S) -> Result<S::Ok, S::Error>
   where S: Serializer,
 {
   serializer.serialize_str(&u.to_string())
 }
 
-crate fn deserialize<'de, D>(deserializer: D) -> Result<u64, D::Error>
+pub(crate) fn deserialize<'de, D>(deserializer: D) -> Result<u64, D::Error>
   where D: Deserializer<'de>
 {
   let s: String = Deserialize::deserialize(deserializer)?;