Merge pull request #3 from xissy/master

Fixed to support unicode characters & added a function to get sorted sentences
Updated version
Merge pull request #4 from xissy/master

fixed typos
Merge pull request #5 from xissy/master

Fixed a bug
Removed unused events module
splitContentToSentences will first check for a full stop
Merge branch 'master' of github.com:jbrooksuk/node-summary