Add minimal github CI tests, remove appveyor test

Author: aradi

.appveyor.yml

@@ -0,0 +1,22 @@
+name: CI
+on: [push, pull_request]
+
+jobs:
+  test-new:
+
+    steps:
+    - name: Checkout code
+      uses: actions/checkout@v2
+
+    - uses: actions/setup-python@v1
+      with:
+        python-version: '3.x'
+
+    - name: Install requirements (PIP)
+      run: pip3 install pytest sphinx
+
+    - name: Run test pytest
+      run: python3 -m pytest
+
+    - name: Run doctest
+      run: cd docs; make doctest

.github/workflows/ci.yml

@@ -17,7 +17,7 @@ def test_dictbuilder():
     print("** Python structure without data flattening:\n")
     print(pyrep)
     print("\n** Turning back to HSD:\n")
-    print(hsd.dumps(pyrep))
+    print(hsd.dump_string(pyrep))
 
 
 def test_dictbuilder_flat():
@@ -29,7 +29,7 @@ def test_dictbuilder_flat():
     print("** Python structure with data flattening:\n")
     print(pyrep)
     print("\n** Turning back to HSD:\n")
-    print(hsd.dumps(pyrep))
+    print(hsd.dump_string(pyrep))
 
 
 if __name__ == '__main__':