IDF version matching

https://github.com/locie/energy_plus_wrapper/blob/66f3931c275f929d922f6063a10790a0f6c9b124/energyplus_wrapper/runner.py#L21
Does not match the actual idf value, it should be :
``` python
idf_version_pattern = re.compile(r"Version,[\s]+(\d\.\d)", re.IGNORECASE)
```