added python 3.8 travis test case

Author: ddulesov

.travis.yml

@@ -6,8 +6,8 @@ cache: false
 
 matrix:
   include:
-  - python: "3.6"
   - python: "3.7"
+  - python: "3.8"
   - python: "2.7"
 
 addons:

module_tests.py

@@ -89,6 +89,7 @@ def test_adegtyarev_lib(self):
         h256 = _pystribog.StribogHash(256)
         h512 = _pystribog.StribogHash(512)
 
+        self.assertTrue( len(tdata)>=4 )
         for k,v in tdata.items():
             #print(v)
             h256.clear()