Update project to PyCharm 3.0 and address new code inspections.
Update to new version of typogrify-engineer.

The previous version was a fork of a fork, and the main
repository now includes the pieces I needed from the hyde
fork, so I updated the Engineer fork to be based off of the
mainline fork instead of the hyde fork.
Update docs.
Merge 0.4.5 changes into dev branch.