Better positioning and IE8 love
This is a small-ish release.
Bug fixes
- Fixes a bug where IE8 wasn't correctly positioning tooltips on the far left or right of the screen. Fixes #6. Commit d9bda10
Enhancements
- Tooltips positioned on the top are now positioned relative to the bottom of the page so that if text wraps in the tooltip it doesn't cover the trigger element. Commit 579ada9