Pickle support

Author: olegranmo

setup.py

@@ -8,7 +8,7 @@
 
 setup(
    name='pyTsetlinMachineParallel',
-   version='0.2.0',
+   version='0.2.1',
    author='Ole-Christoffer Granmo',
    author_email='[email protected]',
    url='https://github.com/cair/pyTsetlinMachineParallel/',