Update Readme

README.md

@@ -1,11 +1,13 @@
-<h1> LDtk Loader • <img src=https://img.shields.io/badge/LDtk_version-1.2.5-default> <img src=https://github.com/Madour/LDtkLoader/workflows/CI/badge.svg></h1>
+<h1> LDtk Loader • <img src=https://img.shields.io/badge/LDtk_version-1.4.1-default> <img src=https://github.com/Madour/LDtkLoader/workflows/CI/badge.svg></h1>
 
 
 **LDtkLoader** is a loader for **[LDtk](https://github.com/deepnight/ldtk)** levels and tile maps.
 
 Use it to load and get data from LDtk projects in your game.
 
-Completely supports the .ldtk format (including external levels).
+Supports the entire .ldtk format (including external levels).
+
+For loading older versions, see the corresponding git branches (e.g. dev-1.2.3).
 
 ### Sample code
 
@@ -86,7 +88,7 @@ This will copy the libraries, the headers and the cmake config files to the inst
 After installation, to add LDtkLoader to a CMake project, use the `find_package` command:
 
 ```cmake
-find_package(LDtkLoader 1.2)
+find_package(LDtkLoader 1.4)
 ```
 
 The `find_package` command will automatically get the correct library (Release or Debug)