Add support for Column Families in a runtime safe way.
Add unittests to test functionality
Insure all unittests are passing.
Cleaned up unittests to not use a fixed directory in tmp, but use tempfile
This change:
* uses to setuptools Cython automatic extension build system.
* Add tox.ini to run tests and build docs into virtualenv
* Add .travis.yaml and Dockerfile to run tests in CI
* Change requirements to ensure:
- Cython and setuptools are installed before we build the Cython
extension
- tests dependencies are not installed by default
- doc dependencies are explicit
* Add missing lz4 library
* Allow to build the module with any librocksdb headers (no-rtti)
Closes#15
For better logging I'm going to inject the rocksdb info_logger into the C++ Wrapper classes
=> The classes on the options object have a member to a DB specific logger
=> This c++ classes can only belong to a SINGLE db
=> For simplicity make this requirement also for the options object itself