Workaround for cluster threads freezing the machine.  We still freeze the machine, but print a warning explaining what is happening and what to look for.
Version bump
Merge branch 'dev'
Initial conversion of nornir_pools to Python3.  Passes Python2 tests.
Fixes for python3 tests.
Disable parallel python if it cannot be loaded.
Updated setup for python 3
Removed name decoration
Added warning for deprecated function use
Add classifiers to setup
Stopped using parallel python
Version bump to 1.2.0
Merge branch 'dev'
Merge branch 'master'