Changed as per discussion in issue #279
Changed as requested
Merge pull request #280 from EgoAleSum/patch-filter1

Added filters to remove low ASCII characters
3.11.0
Use Array.prototype.join(), closes #282
3.11.1
3.11.2
Update README.md
Add coveralls
Update bower.json
Test coverage
Update min version
Bump engine requirement to latest stable
support Surrogate Pair #isLength
Merge pull request #284 from tgfjt/feature/surrogatepair

support Surrogate Pair #isLength
3.12.0
Export the old isLength behaviour as isByteLength
Fix up the last commit
add new isSurrogatePair method to the README
Merge pull request #285 from tgfjt/patch-1

add new isSurrogatePair method to the README