Merge pull request #42 from mitchellss/dev

Fix windows load times for webcam

Merge pull request #40 from mitchellss/dev

Changes for v0.3.0

Merge pull request #35 from mitchellss/dev

Add tracking bubble component and per-frame scene callback functions

Merge pull request #32 from mitchellss/dev

Update example code in docs

Merge pull request #31 from mitchellss/dev

update version number

Merge pull request #25 from mitchellss/dev

Changes to get to 0.0.1