Remove caching layer
Abstract dynamic linking, lazy getter cache
Test thread safety
Add obsolete wrappers for compatability
Merge pull request #94 from deckar01/lazy-library-methods

Lazy library methods
Update to match existing formatting / naming / etc.
@deckar01 was right; these aren't needed

I had forgotten that these were internal, they aren't used now, so they
can be safely removed.
Bump for next version
0.7.0-beta1