This is a potential quick fix for Issue allanlei#15 which occurs when attempting to compress files larger than ZIP64_LIMIT.  `zinfo.file_size` is never initialized to the correct file size and thus the determination of whether zip64 is required is made based on the file size of 0.  This later results in an exception being raised as though the file size increased during compression, since the file size is actually counted during compression and later saved over `zinfo.file_size`. 

It is important to note that this fix may not be cross platform.  Different versions of Python do different things on Windows with the `st_size` parameter in the `os.stat` call.  So, that may be worth investigating further.  However, in the short term, this will fix the problem on Linux, Mac, and some Windows platforms without making it worse where it still doesn't work.

I would leave it to the maintainers to make a broader decision on whether this fix is appropriate or if a better solution would be desired.  I'm happy to help.

The function write_iter receives a filename and an iterable in that order.

Corrected order of arguments in example

Bugfix for allanlei#15 for compressing large files

Order of arguments to write_iter incorrect.

Fix incorrect function call in examples.

Fix documentation (Django section)

There should be no tabs in the Python code examples because it renders differently in GitHub

Fix indetion in the README (use sapces)