Merge branch 'master' into master

Author: Dids

.travis.yml

@@ -0,0 +1,22 @@
+# https://docs.travis-ci.com/user/languages/python/
+language: python
+matrix:
+  include:
+    - name: "Python 3.7 on Linux"
+      python: 3.7
+      dist: xenial
+      install: pip3 install pyinstaller
+      script: pyinstaller --clean --windowed --onedir --onefile --add-data "Scripts:Scripts" ProperTree.command
+    - name: "Python 3.7 on macOS"
+      os: osx
+      osx_image: xcode10.2
+      language: shell
+      install: pip3 install pyinstaller
+      script: pyinstaller --clean --windowed --onedir --onefile --add-data "Scripts:Scripts" ProperTree.command
+    - name: "Python 3.7 on Windows"
+      os: windows
+      language: shell
+      before_install: choco install python
+      env: PATH=/c/Python37:/c/Python37/Scripts:$PATH
+      install: pip3 install pyinstaller
+      script: pyinstaller --clean --windowed --onedir --onefile --add-data "Scripts;Scripts" ProperTree.command

README.md

@@ -100,4 +100,4 @@ C. Current (/Library/Frameworks/Python.framework/Versions/3.9/bin/python3)
 Q. Quit
 
 Please select the python version to use:  
-```
+```