Start of STL shape loader
STL loading completed
Correct URL for 'things'
Merge branch 'master' of github.com:rm-hull/wireframes into stl-shape-loader

* 'master' of github.com:rm-hull/wireframes:
  Updated TODO list
STL format persistence
Don't run examples as part of the normal test suite
Update README.md
Missing backticks
Wineglass STL
Update README.md
Teapot STL