Initial commit.

Added basic CA creation and signing functionality.
Added subordinate-key creation tool.

Some refactorings.
Updated setup.py
Added web scaffolding.
API can now read CSRs and parse them for extensions.
Heacvy refactoring. Signing API works.
CSR signing interface complete. CRL now needed.
There's now a pre-sign hook.

It can be used to add extensions to the final X509.
Can run via an implementation-specific facade project.
Small changes.
Some config variable renaming.
Removed some debugging.
No-op adjustment to URL format for security.
Merge branch 'master' of github.com:dsoprea/SslApi