Fixed pip install issues
Fixed pip install issues

Details:

* Increased minimum versions of pip, setuptools and wheel to those from
  Ubuntu 18.04, plus increased pip to 10.0.1 as a minimum on top.

Signed-off-by: Andreas Maier <0903150dae73adcf31eccfd2633bf70bbc40bd52@gmx.de>

pywbem/pywbemtools,pywbem/pywbemtools