Updated readme.
Additional tests for existing code.
Audio type "MP3".
Audio type "DD51".
Audio type "DD5.1".

fixes #25
Audio type "Dual-Audio".
Audio type "LiNE".
Audio type "DTS".
Audio type "AAC2.0".
Audio type "AAC".
Audio type "AC3".
Audio type "AC3.5.1".
Extracted several audio types.

close #1
Release type "BluRay".

close #43
Updated readme (audio).
Bumped version to v0.3.0.
Updated readme.
Merge branch 'dev' into breaking

Conflicts:
	parts/common.js
	readme.md
	test.js