#8 Use open instead of file (Python)

[Christoph Buchner]

In daetools\__init__.py", line 18 "blackhole = file(os.devnull, 'w')" - NameError: name 'file' is not defined.

(file is gone in Python 3, use open() instead)

[Christoph Buchner]

Of course I forgot to add my version information:
Windows 8.1, daetools-1.4.0-win32-py34, Python 3.4.2 32bit (Anaconda)