Support actix-web v2 (#30)

* update dependencies

- actix-web v2
- percent encoding v2.1
- rust 2018 edition
- remove rustfmt no longer supported rules

* ci: add feature build matrix

* fix actix unit tests

Co-authored-by: Mario Reder <mreder1289@gmail.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/src/ser.rs b/src/ser.rs
index 9086ad2..618b148 100644
--- a/src/ser.rs
+++ b/src/ser.rs
@@ -4,7 +4,7 @@ use data_encoding::BASE64URL_NOPAD as BASE64;
 use percent_encoding::{percent_encode, AsciiSet, NON_ALPHANUMERIC};
 use serde::ser;
 
-use error::*;
+use crate::error::*;
 
 use std::borrow::Cow;
 use std::fmt::Display;