- Final bounding box is computed at the end of buildFillIfDirty() instead of draw().
- Made some methods private.
- v3_t empty constructor no longer initializes elements.
- Calls to gluTessVertex() are now less verbose.
- Shouldn't be necessary to keep track of closeTo.
- numCoords unused.
Merge pull request #36 from jacereda/glpath-enhancements

Glpath enhancements