release 0.1.22

Author: shuttie

README.md

@@ -19,15 +19,15 @@ human-friendly API. Currently, is under an active development.
 
 libLTR is published to maven-central for scala 3.x, 2.12 and 2.13, so for SBT, add this snippet to `build.sbt`:
 ```scala
-libraryDependencies += "io.github.metarank" %% "ltrlib" % "0.1.21"
+libraryDependencies += "io.github.metarank" %% "ltrlib" % "0.1.22"
 ```
 
 For maven:
 ```xml
 <dependency>
   <groupId>io.github.metarank</groupId>
   <artifactId>ltrlib_2.13</artifactId>
-  <version>0.1.21</version>
+  <version>0.1.22</version>
 </dependency>
 ```
 ## Usage

build.sbt

@@ -2,7 +2,7 @@ import Deps._
 
 name := "ltrlib"
 
-version := "0.1.21"
+version := "0.1.22"
 
 scalaVersion := "2.13.10"