Stream.show('lilypond') now generates LilyPond system breaks from music21
SystemLayout(isNew=True) instances.


git-svn-id: http://music21.googlecode.com/svn/trunk@3622 5c16147e-a200-11de-b0cc-ab0ad15e60d0
StreamStatus is no longer an attribute of Stream, due to fragility in the
various serialization processes.

We'll work those out later.


git-svn-id: http://music21.googlecode.com/svn/trunk@3623 5c16147e-a200-11de-b0cc-ab0ad15e60d0
Added corpus/corpora.py to house Corpus classes.

Currently it only houses stub classes, although the logic for corpus.parse()
has been moved to corpus.Corpus.parse().


git-svn-id: http://music21.googlecode.com/svn/trunk@3624 5c16147e-a200-11de-b0cc-ab0ad15e60d0
Added page break support to LilyPond output.

git-svn-id: http://music21.googlecode.com/svn/trunk@3625 5c16147e-a200-11de-b0cc-ab0ad15e60d0