fix: prevent setting bar too left and getting off the left edge
Merge pull request #10 from larryzhao/fix

fix: prevent setting bar too left and getting off the left edge
Rebuild minified js.
Add IME detection
Merge pull request #11 from foo9/ime

Add IME detection
Add feature that email will be sensed.
Add theme preview image.
Add theme preview to README.md.
Update compatibility with opera.