Update readme and version

Author: MateuszKubuszok

README.md

@@ -12,7 +12,7 @@ See [complete documentation at GH pages](https://scalalandio.github.io/ocdquery/
 
 1. add in your sbt:
 ```scala
-libraryDependencies += "io.scalaland" %% "ocdquery-core" % "0.4.1"
+libraryDependencies += "io.scalaland" %% "ocdquery-core" % "0.5.0"
 ```
 (and maybe some optics library like [Quicklens](https://github.com/softwaremill/quicklens)
 or [Monocle](https://github.com/julien-truffaut/Monocle))

readme/Readme.scalatex

@@ -43,9 +43,9 @@
 
   @sect{How to use it?}
     @p
-      Add OCDQuery dependency to your build (currently released only for Scala 2.12):
+      Add OCDQuery dependency to your build (released only for Scala 2.12 and 2.13):
     @hl.scala
-      libraryDependencies += "io.scalaland" %% "ocdquery" % "0.4.1"
+      libraryDependencies += "io.scalaland" %% "ocdquery" % "0.5.0"
     @p
       If your model contains only fields populated and managed by API user, define it as value:
     @hl.scala

version.sbt

@@ -1,3 +1,3 @@
 import com.typesafe.sbt.SbtGit.git.baseVersion
 
-baseVersion := "0.4"
+baseVersion := "0.5"