update version number

updated version number

This release includes quite a few new features and bug fixes:
- a flush() method
- fixed bug that reported the wrong len()
- indexing now works for frames and channels
- read() reads to the end of the file by default
- fixed bug that seeked to the wrong place in some cases.

A big thanks to @mgeier, who helped to find and fix a lot of these issues!

incremented version number

New version with virtual IO!

Now you can open more than just files!

Also, updated the README.

switched from distutils to setuptools

dependency resolution should work now

incremented version number

now with context manager

fixed regression in 0.2

V0.2: minor api tweaks and bug fixes

updated setup.py to reflect changes.