Starting with tag:
[TAG 0.5.1
Bryan O'Sullivan <bos@serpentine.com>**20080429182455] 
[Print a more useful error if finalizePackageDescription fails.
Bryan O'Sullivan <bos@serpentine.com>**20080430232714] 
[Fix comment typos.
Bryan O'Sullivan <bos@serpentine.com>**20080430232724] 
[Make a few tidy-ups.
Bryan O'Sullivan <bos@serpentine.com>**20080501040207] 
[Rename f_pkg_name to lc_name.
Bryan O'Sullivan <bos@serpentine.com>**20080501040224] 
[Rename h_pkg_name to pkg_name.
Bryan O'Sullivan <bos@serpentine.com>**20080501040259]