Merge branch 'master' into v4.1.0-release

Author: Ben Supnik

README.md

@@ -3,7 +3,8 @@
 [![Imports: isort](https://img.shields.io/badge/%20imports-isort-%231674b1?style=flat&labelColor=ef8336)](https://pycqa.github.io/isort/)
 
 # Introduction
-This addon for Blender 2.80 and up makes it possible to export models made in Blender to the X-Plane object format (.obj). **Despite the name "XPlane2Blender", there is no import feature.**
+This addon for Blender 2.80 and up makes it possible to export models made in Blender to the X-Plane object format (.obj). 
+An experimental importer has been added in 4.2.0-Alpha 1 and can be found here: https://github.com/X-Plane/XPlane2Blender/releases/tag/v4.2.0-alpha.1 
 
 ## Contact Us
 The best way to contact us is through [a bug report](https://github.com/X-Plane/XPlane2Blender/issues). Otherwise, e-mail **ted at x-plane dot com**, especially if you're worried about the security of your models while we debug them.
@@ -17,7 +18,7 @@ XPlane2Blender for Blender 2.79 can still be downloaded from the releases page,
 ## Automatic Installation
 **Note: This process will override an existing copy of the plugin!** To backup your current version of the plugin, see the manual instructions in the [manual](https://xp2b-docs.gitbook.io/xplane2blender-docs/index-3/34_installation). **Always make backups of your work, especially when beta testing, as newer versions may not be backwards compatibility.** Read the release notes for more details.
 
-1. Download the [addon]((https://github.com/X-Plane/XPlane2Blender/releases/latest) with a name like ``io_xplane2blender_4_0_0-rc_1-89_20200910152046.zip``. Do not download the folder called "Source Code". Do **NOT** unzip the file
+1. Download the [addon](https://github.com/X-Plane/XPlane2Blender/releases/latest) with a name like ``io_xplane2blender_4_0_0-rc_1-89_20200910152046.zip``. **Do not download the .zip file called "Source Code", do not unzip the io_xplane2blender .zip file**
 2. In Blender, open up the Preferences, go to the Addons tab, and click at the bottom "Install From File..."
 3. Using the file picker, find the .zip file and click "Install From File...". This will automatically unzip to the addons folder
 4. Ensure the checkbox next to the words "Import-Export: Export: X-Plane (.obj)" is checked
@@ -31,7 +32,8 @@ See the [Introduction to XPlane2Blender Video](https://developer.x-plane.com/too
 
 ## Documentation Sources
 - [XPlane2Blender Manual](https://xp2b-docs.gitbook.io/xplane2blender-docs)
-- [BD-5J Microjet, a complete open source Airplane](https://forums.x-plane.org/index.php?/files/file/27269-bd-5j-microjet)
+- [The PZL-M-18, an open source aircraft](https://github.com/todirbg/PZL-M-18)
+- [The BD-5J Microjet, an open source jet](https://forums.x-plane.org/index.php?/files/file/27269-bd-5j-microjet)
 - [Dan Klaue's "Using Blender With PlaneMaker" Playlist](https://www.youtube.com/playlist?list=PLDB0F4B925CF9169C). While older it still explains many of the principles of XPlane2Blender
 - [X-Plane Scenery File Formats](http://developer.x-plane.com/docs/specs/)
 - [X-Plane.org's 3d Modeling board](https://forums.x-plane.org/index.php?/forums/forum/45-3d-modeling/)