Raised version and updated changelog

Ignore-this: 8d2ad461e6568942e772759728256587

darcs-hash:20140305140417-56b4d-edcffc9109a988297cf526dfe9711d7faa14f326
Allow AudioStream.start_recording to be called early

Ignore-this: 79c12d00214e543ef167bc38499a821f

darcs-hash:20140306153017-56b4d-279e56dcff101a5aae9b11ab4a3dfde35410ea84