Addition of Pycharm artifacts to Gitignore.
Addition of Pycharm artifacts to Gitignore.

This allows for un-intrusive development of this project while using
and IDE like PyCharm by JetBrains.

Alkalit/silk,django-silk/silk,Alkalit/silk,mtford90/silk,mtford90/silk,jazzband/silk,django-silk/silk,crunchr/silk,mtford90/silk,Alkalit/silk,jazzband/silk,crunchr/silk,crunchr/silk,django-silk/silk,jazzband/silk,crunchr/silk,jazzband/silk,django-silk/silk,mtford90/silk