Little refactoring
Add PyCharm to gitignore
Add some simple tests
More tests (have to go home)
100% code coverage for core
100% code coverage
Lint checkings
Add tox to project requirements
Add pyenvs for tox
Add tox settings
Fixes for Python 2.6
Python3 compatibility
Small fixes from linting
Add myself to the module
Add wheel support
Implement WHATEVER as Ellipsis
Use unicode_literals instead of six.u
Add OrSkipped stuff
Change ValueErrors in schemas to TypeErrors
Tests for OrSkipped