Add CPT lecture.
Add best practices and code standards notes.
Move location of best practices notes.
Add security notes.
Add quiz 2 study guide.
Move security lecture.
Add metabox/metadata notes.
Add resource for metaboxes.
Add WP HTTP API notes.
Add homework 2 solution.
Add Homework 3 solution.
Add Weather Display plugin example.
Add plugin extensibility notes.
Add more class example files.
Add more lecture notes.
Add debug notes.
Add homework assignment.