add default codec note on ogg exports to docs
Merge pull request #40 from jaymzcd/master

add default codec note on ogg exports to docs, jiaaro/pydub#35
first pass at implementing dynamic range compression
fix bugs and add tests for dynamic range compressions

This filter is still not very performant, but it *does* work :)
python 3 compatibility
assertLess is not available python < 2.7
Merge remote-tracking branch 'origin/DRC'
Added DEFAULT_CODECS dict attribute to AudioSegment class

Conflicts:
	pydub/audio_segment.py
remove debugging line
fix typo
maintain backwards compatibility for AudioSegment.ffmpeg attribute
add rudimentary support for playback via ffplay/avplay
Merge branch 'master' of github.com:jiaaro/pydub
add a method for generating a silent audio segment of arbitrary duration
fix silence generation and support for 8bit audio
make sure dBFS tests an 8bit audio file
refactor setUp function to avoid TooManyOpenFiles in pypy
add experimental pypy support
Add some notes about setting up ffmpeg properly
Merge remote-tracking branch 'origin/pypy'