reuirements: added wheel to avoid pip3 packages installation warnings

requirements/base.txt

@@ -4,3 +4,4 @@ pyaml==19.4.1
 PyYAML==5.1.2
 SQLAlchemy==1.3.11
 tabulate==0.8.5
+wheel>=0.35.0

setup.py

@@ -12,6 +12,7 @@ setup(
         "pyaml",
         "sqlalchemy",
         "tabulate",
+        "wheel",
     ],
     entry_points="""
         [console_scripts]