Build linux wheel for Python 3.7

Author: methane

docker/buildwheel.sh

@@ -4,7 +4,7 @@ set -e -x
 ARCH=`uname -p`
 echo "arch=$ARCH"
 
-for V in cp36-cp36m cp35-cp35m cp27-cp27m cp27-cp27mu; do
+for V in cp37-cp37m cp36-cp36m cp35-cp35m cp27-cp27m cp27-cp27mu; do
     PYBIN=/opt/python/$V/bin
     rm -rf build/       # Avoid lib build by narrow Python is used by wide python
     $PYBIN/python setup.py bdist_wheel -p manylinux1_${ARCH}