Reworked EE3 compatibility

Author: Zignature

README.markdown

@@ -8,9 +8,16 @@ Output ExpressionEngine data in JSON format.
 
 For older versions of EE use JSON version [1.0.3](https://github.com/rsanchez/json/tree/v1.0.3).
 
+## Warning
+
+***Not tested with Assets, Matrix and Playa fieldtypes!***
+
+If you use Assets, Matrix or Playa fields do thoroughly test this plugin on a local or development server before using it on a production/live server!
+Since this plugin only outputs data I don't expect any damage but I will not accept any liability for any problems risen from using this plugin.
+
 ## Installation
 
-* Copy the /system/expressionengine/third_party/json/ folder to your /system/expressionengine/third_party/ folder
+* Copy the `/system/user/addons/json/` folder to your `/system/user/addons/` folder
 
 ## Global Parameters
 
@@ -443,6 +450,15 @@ function yourCallbackFunction(data) {
 
 ## Changelog
 
+### v1.1.9
+
+- EE3 compatibility
+- Added relationships support for grids by [ahebrank](https://github.com/ahebrank)
+- Added `system/user/addons/json/addon.setup.php` for EE3
+- Added `system/user/addons/json/README.md` for the add-on manual in the control panel (as of EE3)
+- Fluid fieldtype not supported
+- **Note:** not tested with Playa, Assets and Matrix
+
 ### v1.1.8
 
 - Added `json_plugin_entries_end` and `json_plugin_members_end` hooks