Merge branch 'release/0.5.0' into 'master'

Release/0.5.0

See merge request !42

CHANGELOG.md

 # Changelog
 
-## 0.5.0 - 2021-XX-XX
+## 0.5.0 - 2021-03-02
 
 ### Added
 
 - More robust detection of URLs inside a parenthetical
+- Only link ip addresses with a scheme
+- Fix mentions in markdown
+- Fix mentions with apostrophe endings
 
 ## 0.4.1 - 2020-12-21
 

mix.exs

 defmodule Linkify.Mixfile do
   use Mix.Project
 
-  @version "0.4.1"
+  @version "0.5.0"
 
   def project do
     [