add support to python3.8

CI/scriptOSX/test-unsio.sh

@@ -2,7 +2,7 @@
 
 # Install unsio wheel for every python
 # Run test program
-for PYVER in 34 35 36 37; do
+for PYVER in 34 35 36 37 38; do
     PYENV=${HOME}/venv/unsio${PYVER}
     echo "Activate ${PYENV}...."
     source ${PYENV}/bin/activate

setup.py

@@ -131,6 +131,7 @@ def setup_package():
             "Programming Language :: Python :: 3.5",
             "Programming Language :: Python :: 3.6",
             "Programming Language :: Python :: 3.7",
+            "Programming Language :: Python :: 3.8",
             "Topic :: Scientific/Engineering :: Astronomy",
             "Topic :: Software Development"],
         platforms=["Linux", "Mac OS-X", "Unix"],