reloaded test is abstract.
using mock for earlier versions.
rename requirements.txt to test_requirements.txt
fixed pip install command
fixed requirements.
trying to use meta class for all python 3... this is really fucked up if we can't
Merge pull request #2 from tomerghelber/feature/checking-if-metaclass-exists-before

trying to use meta class for all python 3... this is really fucked up if...
Merge pull request #1 from tomerghelber/feature/using-abstract

Feature/using abstract