Re-add CoreLib as a library to pnEncryption.
Merge pull request #269 from dpogue/product-fix

Re-add CoreLib as a library to pnEncryption.
Convert plFileName to "has-a" model for better semantics.

You're welcome, branan ;)
Add plFilesystem module, which replaces previous filesystem APIs with a plFileName-based one
Replace hsStream::Open duplicated methods everywhere with a single plFileName interface
More efficient form for PyString_AsStringEx
Fix issues from review
Add plStatusLog to the list of converted interface, in order to fix my log output dir screw-up
Merge pull request #268 from zrax/plFilesystem

plFilesystem
Refactor RegistryKeyList

This is in preparation for page patching. The old code kept dynamic
(programatically created) and serialized keys separate. This had the
potential to reorder the key list during the application of a patch.

This is separate from the prp-patches branch to facillitate review.